Dodecyl alcohol
1-Dodecanol
CAS: 112-53-8
Molecular Formula: C12H26O
Dodecyl alcohol - Names and Identifiers
| Name | 1-Dodecanol |
| Synonyms | dodecanol 1-Dodecanol Alcohol, C12 Dodecan-1-ol Lauryl alcohol Hydroxydodecane Dodecyl alcohol Undecyl carbinol N-DODECYL ALCOHOL 1-Hydroxydodecane RARECHEM AL BD 0157 TIMTEC-BB SBB008734 1-DODECANOL GC STANDARD |
| CAS | 112-53-8 |
| EINECS | 203-982-0 |
| InChI | InChI=1/C12H26O/c1-2-3-4-5-6-7-8-9-10-11-12-13/h13H,2-12H2,1H3 |
| InChIKey | LQZZUXJYWNFBMV-UHFFFAOYSA-N |
Dodecyl alcohol - Physico-chemical Properties
| Molecular Formula | C12H26O |
| Molar Mass | 186.33 |
| Density | 0.833g/mLat 25°C(lit.) |
| Melting Point | 22-26°C(lit.) |
| Boling Point | 260-262°C(lit.) |
| Flash Point | >230°F |
| JECFA Number | 109 |
| Water Solubility | insoluble |
| Solubility | water: slightly soluble1g/L at 23°C |
| Vapor Presure | 0.1 mm Hg ( 20 °C) |
| Vapor Density | 7.4 (vs air) |
| Appearance | Liquid |
| Color | APHA: ≤10 |
| Odor | Typical fatty alcohol odor; sweet. |
| Merck | 14,3405 |
| BRN | 1738860 |
| pKa | 15.20±0.10(Predicted) |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 4% |
| Refractive Index | n20/D 1.442(lit.) |
| Physical and Chemical Properties | Characteristics of light yellow oily liquid or solid, irritating odor. melting point 24 ℃ boiling point 255~259 ℃ relative density 0.8306 refractive index 1.4428 flash point> 100 ℃ solubility insoluble in water, soluble in ethanol and ether. |
| Use | Used as a raw material for the manufacture of surfactants, fragrances, detergents, cosmetics, Textile Auxiliaries, chemical fiber oils, emulsifiers and flotation agents |
Dodecyl alcohol - Risk and Safety
| Risk Codes | R38 - Irritating to the skin R50 - Very Toxic to aquatic organisms R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36/38 - Irritating to eyes and skin. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S37/39 - Wear suitable gloves and eye/face protection S29 - Do not empty into drains. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S60 - This material and its container must be disposed of as hazardous waste. S36 - Wear suitable protective clothing. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 1 |
| RTECS | JR5775000 |
| TSCA | Yes |
| HS Code | 29051700 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg |
Dodecyl alcohol - Upstream Downstream Industry
| Downstream Products | 1-Bromododecane Sodium dodecyl sulfate Dodecyldimethylbenzylammonium chloride Dilauryl thiodipropionate N,N-dimethyldodecylamine |
Dodecyl alcohol - Nature
Open Data Verified Data
light yellow oily liquid or solid, irritating odor, flammable, low toxicity. Insoluble in water, soluble in ethanol (1 part of lauryl alcohol dissolved in 2 parts of 70% ethanol) and ether. The relative density was 0.8306. Melting point 24 °c. Boiling point 255~259 deg C. Flash point> 100 °c. Refractive index 4428.
Last Update：2024-01-02 23:10:35
Dodecyl alcohol - Preparation Method
Open Data Verified Data
- high pressure hydrogenation method coconut oil is continuously hydrogenated in a copper-chromium catalyst to obtain C8 to C18 mixed alcohols. Glycerol in fats and oils is hydrolyzed to isopropanol and water. Mixed fatty alcohols are often pressure distilled off moisture and isopropanol, vacuum distillation cut C8 ~ Cl0 alcohol, C12 ~ Cl4 alcohol and C16 ~ C18 alcohol.
- esterification hydrogenation method coconut oil undergoes transesterification reaction with methanol in the presence of sulfuric acid to produce methyl laurate and glycerol, and lauryl alcohol is obtained by catalytic hydrogenation and distillation.
Last Update：2022-01-01 10:34:33
Dodecyl alcohol - Use
Open Data Verified Data
It is mainly used to prepare plasticizer, surfactant and various additives. The plasticizer prepared with this product and phthalic anhydride has small volatility, good low temperature resistance and good mixing performance of polyvinyl chloride. The mineral flotation agent prepared with this product has excellent physical and chemical properties. In addition, this product can be used to prepare plant growth regulators, lubricating oil additives and special chemicals.
Last Update：2022-01-01 10:34:32
Dodecyl alcohol - Safety
Open Data Verified Data
- low toxicity. Animal experiments showed that the toxicity was not significant. Rat acute oral LD50 40000mg/kg.
- packaged in galvanized iron drum or plastic drum. Store in a cool, ventilated, dry place. Fire, heat and moisture protection. According to the general provisions of the storage and transportation of chemicals.
Last Update：2022-01-01 10:34:33
Dodecyl alcohol - Reference Information
| FEMA | 2617 | LAURYL ALCOHOL |
| LogP | 5.4 at 23℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | Dodecanol is an oily liquid or solid with pungent odor, flammable and low toxicity. Insoluble in water, soluble in organic solvents ethanol, ether. With concentrated sulfuric acid, esterification reaction will occur, the product is twelve alkyl sulfate (twelve alkyl sulfate), the introduction of sodium can be common surfactant sodium dodecyl sulfate (SDS). Commonly used in the production of toothpaste, soap and other cleaning products. However, the role of alkaline substances, most will not react. |
| Application | Dodecanol is a kind of fatty alcohol, fatty alcohol is detergent, surfactant, plastic plasticization and other fine chemical products of the basic raw materials, it produces many thousands of fine chemical products, widely used in chemical, petroleum, metallurgy, textile, machinery, mining, construction, plastics, in recent years, the demand for rubber, leather, paper making, transportation, food, medicine and health, daily chemical industry and agriculture has been increasing. |
| assay | determined by total alcohol assay (OT-5). The amount of the sample was 1.5g. The equivalence factor (e) in the calculation is taken as 93.17. Or according to Gas chromatography (GT-10-4) using non-polar column method. |
| toxicity | ADI 1 mg/kg(CE). LD50 12800 mg/kg (rat, oral). |
| usage limit | FEMA(mg/kg): soft drinks 2.0; Cold drinks 1.0; Candy 2.8; Baked goods 1.7; 16~27; Syrup 7.0. Moderate limits (FDA § 172.515;§ 172.864;2000). |
| Use | used in the manufacture of surfactants, fragrances, detergents, cosmetics, Textile Auxiliaries, chemical fiber oil, raw materials for emulsifiers and flotation agents used as raw materials for wetting agents and perfumes GB 2760-1996 specifies edible perfumes that are allowed to be used. Mainly used in the preparation of lemon, orange, coconut and pineapple flavor. it can be used for Phyllanthus tuberosus, luteolin, lily of the valley, Violet, Acacia, shaming flower, Rose, narcissus, aucklandia and hallucinogenic essence. It can also be used in soap and detergent flavors. It can be used in food essences such as citrus, coconut-based, fruit-flavor compound, honey. used in the manufacture of high-efficiency detergents, surfactants, foaming agents, milk hair agents, Milk selection agents, textile oil agents, fungicides, cosmetics, plasticizers, plant growth regulators, lubricating Oil additives and other special chemicals are widely used in light industry, chemical industry, metallurgy, medicine and other industrial products. Decanediol has the aroma of rose and violet, and can be used in rose, violet and Lily Narcissus flavor. Chemical stability, for soap flavor is safe. The pharmaceutical industry. Synthetic cleaner. Lubricating Oil additives. Spices. |
| production method | 1. High pressure hydrogenation method coconut oil was continuously hydrogenated in a copper-chromium catalyst to obtain C8-C18 of a mixed alcohol. Glycerol in fats and oils is hydrolyzed to isopropanol and water. After water and isopropyl alcohol were distilled off frequently by mixing fatty alcohol, C8-C10 alcohol, C12-C14 alcohol and C16-C18 alcohol were cut by distillation under reduced pressure. 2. Esterification hydrogenation method coconut oil in the presence of sulfuric acid and methanol transesterification reaction to produce methyl laurate and glycerol, catalytic hydrogenation, distillation to get lauryl alcohol. The lauric acid isolated from coconut oil was obtained by catalytic hydrogenation under high pressure. It is obtained from ethyl laurate by the reduction of anhydrous ethanol under the catalysis of sodium metal. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 12800 mg/kg |
| stimulation data | Skin-human 75 mg/3 days weight |
| flammability hazard characteristics | flammable in open flame, high temperature, strong oxidant; combustion emissions |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | foam, dry powder, carbon dioxide, sand |
| Occupational Standard | SEL 10 mg/m3 |
| spontaneous combustion temperature | 500 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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View History
Downstream Products for Dodecyl alcohol
1-Bromododecane
Sodium dodecyl sulfate
Dodecyldimethylbenzylammonium chloride
Dilauryl thiodipropionate
N,N-dimethyldodecylamine
Sodium dodecyl sulfate
Dodecyldimethylbenzylammonium chloride
Dilauryl thiodipropionate
N,N-dimethyldodecylamine