MICHLER KETONE
4,4'-Bis(dimethylamino)benzophenone
CAS: 90-94-8
Molecular Formula: C17H20N2O
MICHLER KETONE - Names and Identifiers
| Name | 4,4'-Bis(dimethylamino)benzophenone |
| Synonyms | MICHLER KETONE MICHLERS KETONE Michlers Ketone MICHLER'S KETONE Michler's ketone LABOTEST-BB LT00086928 Tetramethyldiaminobenzophenone BIS-DIMETHYLAMINOPHENYLMETHANONE BIS(P-DIMETHYLAMINOPHENYL)KETONE P,P'-TETRAMETHYLDIAMINOBENZOPHENONE 4,4?Bis(Dimethylamino) Benzophenone 4,4'-Bis(dimethylamino)benzophenone TETRAMETHYL-P,P'-DIAMINOBENZOPHENONE bis[4-(dimethylamino)phenyl]methanone 4,4'-Di(N,N-dimethylamino)benzophenone |
| CAS | 90-94-8 |
| EINECS | 202-027-5 |
| InChI | InChI=1/C17H20N2O/c1-18(2)15-9-5-13(6-10-15)17(20)14-7-11-16(12-8-14)19(3)4/h5-12H,1-4H3 |
| InChIKey | VVBLNCFGVYUYGU-UHFFFAOYSA-N |
MICHLER KETONE - Physico-chemical Properties
| Molecular Formula | C17H20N2O |
| Molar Mass | 268.35 |
| Density | 1.0208 (rough estimate) |
| Melting Point | 174 -176°C(lit.) |
| Boling Point | 360 °C |
| Flash Point | 220 °C |
| Water Solubility | 400 mg/L (20 ºC) |
| Solubility | ethanol: 5mg/mL, clear |
| Vapor Presure | 1.61E-07mmHg at 25°C |
| Appearance | White to bright green crystals |
| Color | Blue to dark blue or gray |
| Merck | 14,6177 |
| BRN | 790733 |
| pKa | 2.55±0.12(Predicted) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents, strong reducing agents. |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.5486 (estimate) |
| MDL | MFCD00008312 |
| Physical and Chemical Properties | Character silver-white or light gray-green crystals. melting point 172 ℃ boiling point> 360℃ (decomposition) solubility insoluble in water, slightly soluble in ethanol and ether, soluble in hot benzene. |
| Use | Important intermediates for basic dyes |
MICHLER KETONE - Risk and Safety
| Risk Codes | R45 - May cause cancer R41 - Risk of serious damage to eyes R68 - Possible risk of irreversible effects R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | DJ0250000 |
| TSCA | Yes |
| HS Code | 29223990 |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: > 6400 mg/kg |
MICHLER KETONE - Upstream Downstream Industry
MICHLER KETONE - Nature
Open Data Verified Data
silver-white or light-gray-green crystals. Melting point 172 °c. Boiling point> 360 °c (decomposition). Insoluble in water, slightly soluble in ethanol and ether, soluble in hot benzene.
Last Update：2024-01-02 23:10:35
MICHLER KETONE - Preparation Method
Open Data Verified Data
from dimethylaniline and phosgene in anhydrous zinc chloride or aluminum chloride catalyzed reaction.
Last Update：2022-01-01 10:52:52
MICHLER KETONE - Introduction
Soluble in ethanol and hot benzene, slightly soluble in ether, almost insoluble in water. Toxic. There is the possibility of cancer.
Last Update：2022-10-16 17:29:41
MICHLER KETONE - Use
Open Data Verified Data
mainly used as dye intermediates for the production of basic brilliant blue B and R.
Last Update：2022-01-01 10:52:52
MICHLER KETONE - Safety
Open Data Verified Data
- toxic. Stimulate the skin, cause dermatitis, blood poisoning, can cause central nerve paralysis. The production equipment shall be closed, the workshop shall be well ventilated, and the operators shall wear protective equipment. This product is flammable, can burn in case of open flame, by high heat can emit toxic gas, fire application of fog water, foam, carbon dioxide, Sand fire.
- the product shall be sealed and packaged in an iron drum, with obvious words of "drugs" on the package, which is organic and drug, with risk Regulation No. 84112. Store in a cool, dry, ventilated warehouse, warehouse is strictly prohibited pyrotechnic. It should be stored separately from oxidant and edible chemical raw materials. The flammable and toxic substances shall be stored and transported according to the regulations.
Last Update：2022-01-01 10:52:53
MICHLER KETONE - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| (IARC) carcinogen classification | 2B (Vol. 99) 2010 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| uses | important intermediates for basic dyes Michaelis ketone is an important intermediate for basic dyes, for the production of alkaline brilliant blue B, alkaline brilliant blue R, etc. used as a reagent for measuring tungsten, a dye intermediate, and a sensitizer for lithographic plate formation tungsten was measured. Qualitative testing of organometallic compounds. Manufacture of dyes. |
| production method | from N,N-dimethylaniline and phosgene condensation. |
| spontaneous combustion temperature | 480°C |
| 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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Product Name: 4,4'-Bis(dimethylamino)benzophenone Request for quotationCAS: 90-94-8
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3787852685
Spot supply
Product Name: 4,4'-Bis(dimethylamino)benzophenone Request for quotationCAS: 90-94-8
Tel: 17505222756
Email: pules.cn@gmail.com
Mobile: +86-17551318830
Wechat: 17505222756
Product Name: Michler's ketone Visit Supplier Webpage Request for quotation
CAS: 90-94-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
CAS: 90-94-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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Raw Materials for MICHLER KETONE