9004-34-6
Microcrystalline Cellulose
CAS: 9004-34-6;12656-52-9;152231-69-1;209533-95-9;39394-43-9;51395-76-7;58968-67-5;61991-21-7;61991-22-8;
Molecular Formula: (C12H20O10)n
9004-34-6 - Names and Identifiers
| Name | Microcrystalline Cellulose |
| Synonyms | MCC AVIRIN AVICEL SF AVICEL(R) AVICEL PH ''AVICEL(R)'' AVICEL PH 102 Lignin Fibers AVICEL PH 101(R) AVICEL PH 105(R) Cellulose microcrystalline Microcrystalline Cellulose |
| CAS | 9004-34-6 12656-52-9 152231-69-1 209533-95-9 39394-43-9 51395-76-7 58968-67-5 61991-21-7 61991-22-8 |
| EINECS | 232-674-9 |
| InChI | InChI=1/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3?,4?,5?,6?,7?,8?,9?,10-,11?,12+/m1/s1 |
| InChIKey | UFHFLCQGNIYNRP-UHFFFAOYSA-N |
9004-34-6 - Physico-chemical Properties
| Molecular Formula | (C12H20O10)n |
| Molar Mass | 324.28 |
| Density | 1.5 g/cm3 (20℃) |
| Melting Point | 76-78 °C(Solv: acetone (67-64-1); chloroform (67-66-3)) |
| Boling Point | 667.9°C at 760 mmHg |
| Flash Point | 164°C |
| Water Solubility | insoluble |
| Solubility | Practically insoluble in water, in acetone, in anhydrous ethanol, in toluene, in dilute acids and in a 50 g/L solution of sodium hydroxide |
| Vapor Presure | 1.08E-20mmHg at 25°C |
| Appearance | White or white-like powder |
| Color | White or almost white |
| Odor | Odorless |
| Exposure Limit | ACGIH: TWA 10 mg/m3OSHA: TWA 15 mg/m3; TWA 5 mg/m3NIOSH: TWA 10 mg/m3; TWA 5 mg/m3; TWA 1 mg/m3 |
| Merck | 14,1965 |
| PH | 5-7.5 (100g/l, H2O, 20℃)(slurry) |
| Storage Condition | room temp |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Sensitive | Easily absorbing moisture |
| Refractive Index | n20/D 1.504 |
| MDL | MFCD00081512 |
| Physical and Chemical Properties | Water-soluble |
| Use | Suitable for textile, clothing, brewing, food, paper and other industries |
9004-34-6 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 37 - Irritating to the respiratory system |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | FJ5950200 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 39129090 |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 2000 mg/kg |
9004-34-6 - Reference
| Reference Show more | 1. Feng Tao, Chen Jifei, super Chen Wengang. Base cellulose gel materials for 3D printing [J]. Application of engineering plastics 2020 48(08):66-70. 2. Yang Dandan, Li Ying, Zhu Chunyan. In vitro release and pharmacokinetics of total Salvianolic acid from bioadhesive floating pellets in rats [J]. China Journal of Information on traditional Chinese medicine, 2018 v.25;No.287(06):82-86. 3. Ren Suxia, Xu Haiyan, Yang Yantao, et al. Preparation of levulinic acid by hydrolysis of microcrystalline cellulose catalyzed by solid superacid [J]. Renewable energy, 2015, 33(003):468-472. 4. Wensheng, Chen yanmeng, Wang Xiaoshu, etc. Synthesis of mixed cellulose esters by mechanical activation of solid phase co-reactants [J]. New chemical materials, 2017, 045(002):196-198. 5. Zhao zengyan, Zhang Yanjuan, Wei Liping, Hu Huayu, Huang Aimin, Huang Zuqiang, Shen Fang. Preparation and characterization of cellulose long chain fatty acid esters by different synthesis methods [J]. Journal of Guangxi University (Natural Science Edition),2018,43(05):2021-2027. 6. Wang Yu, Zhang Zhengbiao, Bai Longjia, etc. Thermogravimetric Kinetics of radiation pine and rice husk and their three components [J]. Journal of Tianjin University of Science and Technology, 2014, 000(001):30-35. 7. Wang Yu, Bai Longjia, Yu Chengxiang. Effects of potassium, calcium and magnesium metal salts on biomass pyrolysis [J]. Journal of Tianjin University of Science and Technology, 2015(02):37-41 46. 8. Wang Guanhua, Liu Wen, Song Xinli, Liu Wei, Wang Yunxia, He Dongbo. Preparation and quality standard of total glucosides of paeony colon-specific tablets [J]. Chinese herbal medicines, 2019,42(11):2622-2626. 9. Yang Gang, Yang diqin, Cao Wentao, Wang Xiaodan. Optimization of cellulose-degrading bacteria and degradation process of distiller's grains [J]. Journal of Agricultural Engineering, 2020,36(13): 21-221. 10. Du Ping, Liu Wen, Qing Yongjun, Yao Xiaoyan, Jin Yang, Chen huaichen, He Li. Study on compound sustained-release preparation of traditional Chinese medicine based on "drug-assisted combination": a case study of Shaoyao gancao gastric floating tablet [J]. Chinese herbal medicines, 2018,41(10):2403-2407. 11. Feng Tao, Chen Jifei, Wang Chao, Chen Wengang. Base cellulose gel materials for 3D printing [J]. Engineering Plastics Application, 2020,48(08):66-70. 12. Li Xia, Hao Sijia, Han ailing, Yang Yayu, Fang Guozhen, Liu Jifeng, Wang Shuo. Degradation of phthalate plasticizers by enzyme mimics in amino acid-cellulose composites [J]. Food Research and Development, 2020,41(24):1-7. 13. Hu, Huayu, et al. "Green mechanical activation-assisted solid phase synthesis of cellose estors using a co-reactant: effect of chain length of fatty acids on reaction efficiency and structure properties of products." RSC Advances 5.27 (2015): 20656-20662 14. Yang, Rui, et al. "Fabrication and characterization of ferritin-chitosan-lutein shell-core nanocomposites and lutein stability and release evaluation in vitro." RSC advances 6.42 (2016): 35267-35279.https://doi.org/10.1039/C6RA04058F 15. Xin Fan, Yu Wang, Lushi Kong, Xuewei Fu, Min Zheng, Tian Liu, Wei-Hong Zhong, and Siyi PanACS Sustainable Chemistry & Engineering 2018 6 (9), 11606-11613DOI: 10.1021/acssuschemeng.8b01827 16. [IF=5.044] Zhang Yanjuan et al."Tribological properties of nano cellulose fatty acid esters as ecofriendly and effective lubricant additives."Cellulose. 2018 May;25(5):3091-3103 17. [IF=4.329] Aimin Huang et al."Solid-Phase Synthesis of Cellulose Acetate Butyrate as Microsphere Wall Materials for Sustained Release of Emamectin Benzoate."Polymers-Basel. 2018 Dec;10(12):1381 18. [IF=4.142] Yin Lujun et al."Microwave irradiation followed by zinc oxide based dispersive solid-phase extraction coupled with HPLC for simultaneous extraction and determination of flavonoids in Veronicastrum latifolium (Hemsl.) Yamazaki."Anal Bioanal Chem. 2019 Feb 19. [IF=3.361] Huayu Hu et al."Green mechanical activation-assisted solid phase synthesis of cellulose esters using a co-reactant: effect of chain length of fatty acids on reaction efficiency and structure properties of products."Rsc Adv. 2015 Feb;5(27):20656-20662 20. [IF=11.301] Xue Gao et al."Electric power generation using paper materials."J Mater Chem A. 2019 Sep;7(36):20574-20578 21. [IF=9.147] Xinhui Zhang et al."Antimicrobial and UV Blocking Properties of Composite Chitosan Films with Curcumin Grafted Cellulose Nanofiber."Food Hydrocolloid. 2021 Mar;112:106337 22. [IF=6.321] Xuemei Wen et al."Preparation and In Vitro/In Vivo Evaluation of Orally Disintegrating/Modified-Release Praziquantel Tablets."Pharmaceutics. 2021 Oct;13(10):1567 23. [IF=3.757] Xinyu Zhang et al."Glycoside hydrolase family 2 exo-β-1,6-galactosidase LpGal2 from Lactobacillus plantarum: Cloning, expression, and enzymatic characterization."Process Biochem. 2021 Mar;102:269 24. [IF=3.757] Yang Wang et al."Cellulase immobilized by sodium alginate-polyethylene glycol-chitosan for hydrolysis enhancement of microcrystalline cellulose."Process Biochem. 2021 Aug;107:38 25. [IF=3.616] Feng Jia et al."Physicochemical and functional properties of dialdehyde polysaccharides crosslinked gliadin film cooperated by citric acid."J Cereal Sci. 2021 Nov;102:103349 26. [IF=2.926] Li Qijun et al."Deacidification of Microalgal Oil with Alkaline Microcrystalline Cellulose."Appl Biochem Biotech. 2021 Apr;193(4):952-964 27. [IF=2.926] Guo Rongxin et al."Optimization of Cellulase Immobilization with Sodium Alginate-Polyethylene for Enhancement of Enzymatic Hydrolysis of Microcrystalline Cellulose Using Response Surface Methodology."Appl Biochem Biotech. 2021 Jul;193(7):2043-2060 28. [IF=9.147] Lele Zhou et al."Real-time monitoring of interactions between dietary fibers and lipid layer and their impact on the lipolysis process."Food Hydrocolloid. 2022 Apr;125:107445 29. [IF=4.22] Wang Hongbin et al."Regenerated cellulose microspheres-aerogel enabled sustainable removal of metal ions for water remediation."JOURNAL OF MATERIALS SCIENCE. 2022 Apr;57(16):8016-8028 30. [IF=5.875] Qi Zeng et al."Dissolution profiles prediction of sinomenine hydrochloride sustained-release tablets using Raman mapping technique."INTERNATIONAL JOURNAL OF PHARMACEUTICS. 2022 May;620:121743 |
9004-34-6 - Standard
Authoritative Data Verified Data
This line was obtained from a-cellulose obtained in plant fiber pulp, purified and mechanically pulverized.
Last Update：2024-01-02 23:10:35
9004-34-6 - Trait
Authoritative Data Verified Data
- This product is white or off-white powder or granular powder.
- This product is almost insoluble in water, acetone, anhydrous ethanol, toluene or dilute hydrochloric acid.
Last Update：2022-01-01 11:24:39
9004-34-6 - Introduction
It can be dissolved by concentrated zinc chloride solution, and can also be dissolved in copper hydroxide ammonia solution and caustic alkali and carbon disulfide mixture. Almost insoluble in water or other commonly used solvents.
Last Update：2022-10-16 17:29:49
9004-34-6 - Differential diagnosis
Authoritative Data Verified Data
- take lO m g of this product, place it on a glass plate, and add a vaporized zinc iodine solution (take 20g of vaporized zinc and potassium iodide 6. 5G, add water 10. 5M l to dissolve all, then add iodine 0.5G, shaking for 15 minutes) 2 m l, that is, a blue purple.
- take about 0.25g of this product, weigh it accurately, put it in a plug Erlenmeyer flask, add water with precision and 1. 0M o l/L ethylene diamine copper dihydroxide solution, 25ml each, pack, shake to completely dissolve, take appropriate amount of solution and transfer to Ubbelohde viscometer (capillary inner diameter 0.7~0.8), at 25°C ± 0. Equilibrate in a 1°C water bath for at least 5 minutes, and record the time h (in seconds) of the solution flowing through two scales above and below the viscometer to calculate the kinematic viscosity U) of the solution. Take appropriate amount. 0mol/L ethylene diamine copper dihydroxide solution is mixed with the same amount of water, and the outflow time is measured by the same method with Ubbelohde viscometer (capillary inner diameter 0.5~0.6) (General rule 0633 second method), the kinematic viscosity (V2) of the solvent was calculated.
Last Update：2022-01-01 11:24:40
9004-34-6 - Exam
Authoritative Data Verified Data
pH
Take 10g of this product, add 90ml of water, stir for 1 hour and then stand still. Take the supernatant to determine according to law (General rule 0631). The pH value should be 5.0~7.5.
solubility
take 50mg of this product, add ammonia to prepare copper solution (take copper sulfate 6. 9G, add water 20ml, add concentrated ammonia solution Dropwise while stirring until the precipitate is completely dissolved. Cool to below 20 C, add 6 m l of lO m o L/l sodium hydroxide solution Dropwise with shaking, and filter through No. 3 vertical melting glass funnel, the precipitate was washed with water until the filtrate was clear, and 40 ml of concentrated ammonia solution was added, while stirring and dissolving the precipitate, while Suction filtration was performed to obtain) 10ml of shaking, all of which should be dissolved without residue.
soluble in ether
take the product 1 0G, precision weighing, set the internal diameter of the column is 20mm, with no peroxide ether 50ml elution, flow rate of 20 drops per minute, the eluate after 105X: after evaporation to dryness in an evaporating dish dried to a constant weight and drying at 105 ° C. For 30 minutes, no residue could be left to 15.0mg(0.15%).
soluble in water
Take 6g of this product, weigh it precisely, add 90 M l of fresh boiling exothermic water, stir for 10 minutes, filter under reduced pressure, discard at least 10ml of initial filtrate, and take 1 5m l of clear continued filtrate, evaporation to dryness in an evaporating dish dried to constant weight over 105X: Drying for 1 hour at 105X: no residue left over 15.0mg(1.5%).
loss on drying
take this product and dry it at 105°C for 3 hours, and the weight loss shall not exceed 0831 (general rule).
ignition residue
The l .O g of this product is determined according to law (General rule 0841), and the remaining residue shall not exceed 0 .3% based on the calculation of dry products.
Heavy metals
The residues remaining under the item of taking fulminant residual fish shall be inspected according to law (general law 0821, Law II) and shall not contain more than 10 parts per million of heavy metals.
Last Update：2022-01-01 11:24:41
9004-34-6 - Category
Authoritative Data Verified Data
pharmaceutical excipients, binders, fillers and disintegrants.
Last Update：2022-01-01 11:24:41
9004-34-6 - Storage
Authoritative Data Verified Data
sealed storage.
Last Update：2022-01-01 11:24:41
9004-34-6 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | microcrystalline cellulose (MCC) is the product of acid hydrolysis of natural cellulose to the extreme degree of polymerization, its color is white or nearly white, odorless, tasteless, particle size is generally about 2~80 μm, has the advantages of small density, high modulus, renewable, degradable, wide source, etc, it can be used as a reinforcing agent of the composite material to improve the performance of the material. |
| properties | microcrystalline cellulose generally has a lower density in lyophilizers and a higher density in those using spray drying. The moisture content was about 5%. Microcrystalline cellulose can be dispersed but insoluble in water, insoluble in dilute acid, organic solvent and oil, swollen in dilute alkali solution, partially dissolved. The microcrystalline cellulose powder is dispersed in water to obtain a white transparent gel or paste, which is stable for many years except for the extremely dilute ones. |
| Application | microcrystalline cellulose is mainly used as non-caloric food additives, pharmaceutical excipients and dispersants, thin layer chromatography and column chromatography packing, colorants for dyes and pigments, reinforcing fillers for thermosetting resins and thermosetting laminates, coatings, emulsifiers, can also be used in the water-based paint and ceramic industries. |
| content analysis | accurately weigh a sample of 125mg, place it in a ML Erlenmeyer flask with about 25ml of water, 0.5 of 50.0 mol/L potassium dichromate was added and mixed. Sulfuric acid (100ml) was then carefully added and heated to boiling. The heat source was removed, allowed to stand at room temperature for 15min, cooled in a water bath and transferred into a 250ml volumetric flask. When diluted with water to near the scale, it was cooled to 25 °c and then allowed to volume with water and mix well. 50ml of this solution was taken, and 2-3 drops of phenanthroline test solution (TS-162) were added, followed by titration with 0.1mol/L ferrous ammonium sulfate. At the same time, blank titration was performed, and the concentration of ammonium ferrous sulfate, cmol/L, was determined according to the following formula: about 125ml of a sample was accurately weighed and transferred into a 300ml Erlenmeyer flask with about 25ml of water. 0.5 of 50.0 mol/L potassium dichromate solution was added and mixed. Sulfuric acid (100ml) was then carefully added and heated to boiling. The heat source was removed and allowed to stand at room temperature for 15min. After cooling in a water bath, one person was transferred to a 250ml volumetric flask. Dilute with water to approximately scale, cool to 25 °c, dilute with water to volume, and mix. Add 2-3 drops of phenanthroline test solution (TS-162) as indicator, Titrate with 0.1mol/L ferrous ammonium sulfate solution and record the consumed titration solution as S(mI). At the same time, a blank test was carried out, and the consumption of 0.1mol/L ferrous ammonium sulfate was recorded as B(m1). The percent cellulose (X) in the sample is then calculated as follows: X-(B-S) X 338/W where w is the mass (mg) of the sample and is corrected for loss on drying. |
| toxicity | ADI is not specified (FAO/WHO,2001). ADI is not specified (FAO/WHO,2001). |
| Use limit | GB 2760-2001: all kinds of food, GMP is the limit. FAO/WHO,1985(g/kg): cream, cream 5, ice and ice cold drinks 10. |
| uses | filter aids: anti-caking agents, binders; Compatibilizers; Fragmentation agents; Dispersants; Tissue improvers; Thickeners; Water treatment agents. EEC is prescribed for the purification of beer. Processing aids are specified in GB 2760-96. EEC-HACSG provisions shall not be used for infant food. suitable for textile, clothing, brewing, food, paper and other industries adhesive for direct compression, disintegrant, food additive as anti-caking agent, china can be used for powder flavor, the maximum use of 50g/kg; Can also be used for ice cream, the maximum use of 40g.kg; Can also be used for cream and plant fat powder, the maximum use of 20.0 g/kg. anti-caking agent; Emulsifier; Binder; Fragmentation agent; Dispersant; Tissue improver; Non-nutritive bulking agent; Dietary fiber; Opacifying stabilizer; Heat stabilizer; Fast drying carrier; micro-dispersion and compression tablets. According to EEC, it can be used for high fiber bread; Low-calorie candy, biscuits, cakes and bread; Pigment, spices and edible acid fillers; Dehydrated food, snack food and bionic fruit tablets. many useful products can be derived from the esterification or etherification of hydroxyl groups in cellulose polymers. Examples of the cellulose esters to be used in practice are cellulose nitrate, cellulose acetate, cellulose acetate butyrate and cellulose xanthate. Cellulose ethers include methyl cellulose, carboxymethyl cellulose, ethyl cellulose, Hydroxyethyl Cellulose, cyanoethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl cellulose. In addition, there are ester ether mixed derivatives. anti-caking agent; Emulsifier; Binder; Disintegrating agents; Dispersing agents; Tissue improvers; Non-nutritive bulking agents; Dietary fibers; Opacifying stabilizers; Heat stabilizers; Fast drying carriers; Micro-dispersing agents and tabletting agents. According to EEC, it can be used for high fiber bread; Low-calorie candy, biscuits, cakes and bread; Pigment, spices and edible acid fillers; Dehydrated food, snack food and bionic fruit tablets. production of nitric acid or cellulose acetate. Column chromatography. For filtering |
| production method | cellulose is the most abundant natural polymer in the world, and its raw materials come from wood, cotton, cotton linter, wheat straw, straw, Reed, hemp, Mulberry, bark and bagasse. Due to the shortage of forest resources in China, 70% of cellulose raw materials come from non-wood resources. The average cellulose content of softwood and broad-leaved wood in China is about 43-45%, and the average cellulose content of straw is about 40%. The industrial method of cellulose is to cook plant raw materials with sulfite solution or alkali solution, which is mainly to remove lignin, which is called sulfite method and alkali method respectively. The resulting materials are referred to as sulfite pulp and alkaline pulp. The residual lignin is then further removed by bleaching and the resulting bleached pulp can be used for papermaking. Further, the hemicellulose is removed, and the hemicellulose can be used as a starting material for cellulose derivatives. α-cellulose is obtained by pulping fibrous plant material with inorganic acid to produce α-cellulose, and the cellulose is partially depolymerized by treatment, and then the non-crystalline part is removed and purified. The selected industrial wood pulp board is spliced out, and then sent into the reaction kettle with 1%~ 10% hydrochloric acid (the amount is 5%~ 10%) for temperature-rising hydrolysis, the temperature is 90~100 ℃, the hydrolysis time is 0.5~2H. After the reaction is finished, the reaction is sent to a neutralization tank by cooling, adjusted to Neutral with liquid alkali, filtered, and the filter cake is dried at 80~100 °c, and finally the product is obtained by crushing. cellulose made from wood or cotton pulp. It is refined after bleaching and mechanical dispersion. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | inhalation-rat LC50: > 5800 mg/m3/4 h |
| flammability hazard characteristics | thermal decomposition of spicy and irritating smoke |
| storage and transportation characteristics | low temperature ventilation and drying |
| fire extinguishing agent | fog water, carbon dioxide, foam, dry powder |
| Occupational Standard | TWA 10 mg/m3 (dust) |
| autoignition temperature | 232°C |
Last Update：2024-07-11 11:05:59
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