LORAZEPAM IMPURITY A
2-Amino-2',5-dichlorobenzophenone
CAS: 2958-36-3
Molecular Formula: C13H9Cl2NO
LORAZEPAM IMPURITY A - Names and Identifiers
| Name | 2-Amino-2',5-dichlorobenzophenone |
| Synonyms | LORAZEPAM IMP A TIMTEC-BB SBB003068 LORAZEPAM IMPURITY A LABOTEST-BB LT00080738 2-Amino-2,5-Dichloro Benzophenone 2-AMINO-2',5-DICHLOROBENZOPHENONE 2-Amino-2',5-dichlorobenzophenone 2-amino-5,2'-dichlor-benzophenone 2-amino-2',5-dichloro-benzophenon 2-AMINO-5,2'-DICHLORO BENZOPHENONE 2-AMINO-2',5-DICHLORO BENZOPHENONE Benzophenone, 2-amino-2',5-dichloro- 2-AMINO-5-CHLORO-2'-CHLOROBENZOPHENONE 2'-AMINO-5'-CHLOROBENZOYL-2-CHLOROBENZENE 2-amino-5-chlorophenyl)(2-chlorophenyl)-methanon (2-AMINO-5-CHLOROPHENYL)(2-CHLOROPHENYL)METHANONE |
| CAS | 2958-36-3 |
| EINECS | 220-985-2 |
| InChI | InChI=1/C13H9Cl2NO/c14-8-5-6-12(16)10(7-8)13(17)9-3-1-2-4-11(9)15/h1-7H,16H2 |
| InChIKey | KWZYIAJRFJVQDO-UHFFFAOYSA-N |
LORAZEPAM IMPURITY A - Physico-chemical Properties
| Molecular Formula | C13H9Cl2NO |
| Molar Mass | 266.12 |
| Density | 1.3134 (rough estimate) |
| Melting Point | 87-89°C(lit.) |
| Boling Point | 453.6±40.0 °C(Predicted) |
| Flash Point | 228.1°C |
| Water Solubility | Insoluble in water. |
| Solubility | methanol: soluble |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Yellow crystal |
| Color | Yellow to Green |
| BRN | 652774 |
| pKa | -0.97±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.5490 (estimate) |
| MDL | MFCD00007840 |
| Use | Used as an intermediate of triazolam and Lorazepam |
LORAZEPAM IMPURITY A - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | DJ0200000 |
| TSCA | Yes |
| HS Code | 29223900 |
| Hazard Note | Irritant |
LORAZEPAM IMPURITY A - Introduction
Insoluble in water, soluble in aromatic hydrocarbons and polar organic solvents, slightly soluble in aliphatic solvents.
Last Update：2022-10-16 17:24:20
LORAZEPAM IMPURITY A - Reference Information
| LogP | 3.1 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | as an intermediate for triazolam and lorazepam |
Last Update：2024-04-09 02:00:08
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View History
LORAZEPAM IMPURITY A
2-[(2-methylpropan-2-yl)oxycarbonylamino]pyrazolo[1,5-a]pyrimidine-3-carboxylic acid
二甲基氨基苯甲酸辛酯
1-(4-(3-Aminocyclohexyl)piperazin-1-yl)ethanone
(2-((Bis(2-methoxyethyl)amino)methyl)phenyl)boronic acid
1-Β-D-ARABINOFURANOSYL-5-IODO-2,4(1H,3H)-PYRIMIDINEDIONE
N-(5-ANILINO-2,4-PENTADIENYLIDENE)ANILINE HYDROCHLORIDE
AKOS 92496
Polytrimethylsilpropyl acetylene
1-METHYL-2-PHENYLMETHOXYBENZENE
2-[(2-methylpropan-2-yl)oxycarbonylamino]pyrazolo[1,5-a]pyrimidine-3-carboxylic acid
二甲基氨基苯甲酸辛酯
1-(4-(3-Aminocyclohexyl)piperazin-1-yl)ethanone
(2-((Bis(2-methoxyethyl)amino)methyl)phenyl)boronic acid
1-Β-D-ARABINOFURANOSYL-5-IODO-2,4(1H,3H)-PYRIMIDINEDIONE
N-(5-ANILINO-2,4-PENTADIENYLIDENE)ANILINE HYDROCHLORIDE
AKOS 92496
Polytrimethylsilpropyl acetylene
1-METHYL-2-PHENYLMETHOXYBENZENE