benzidine dihydrochloride
benzidine dihydrochloride
CAS: 531-85-1
Molecular Formula: C12H13ClN2
benzidine dihydrochloride - Names and Identifiers
| Name | benzidine dihydrochloride |
| Synonyms | benzidine2hcl Benzidine hydrochloride dihidroclorurodebenzidina benzidine dihydrochloride p,p'-Diaminodiphenylhydrochloride P,P'-DIAMINOBIPHENYL DIHYDROCHLORIDE 4,4'-Diaminobiphenyl dihydrochloride 4,4′-Diaminodiphenyl dihydrochloride biphenyl-4,4'-diamine dihydrochloride benzidinedihydrochloridehumancarcinogen [1,1'-biphenyl]-4,4'-diamine dihydrochloride |
| CAS | 531-85-1 |
| EINECS | 208-519-6 |
| InChI | InChI=1/C12H12N2.ClH/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10;/h1-8H,13-14H2;1H |
benzidine dihydrochloride - Physico-chemical Properties
| Molecular Formula | C12H13ClN2 |
| Molar Mass | 220.7 |
| Melting Point | ≥300°C |
| Boling Point | 358.7°C at 760 mmHg |
| Flash Point | 203.5°C |
| Water Solubility | 0.1-0.5 g/100 mL at 23.5 ºC |
| Vapor Presure | 2.5E-05mmHg at 25°C |
| Color | Leaflets |
| BRN | 3914846 |
benzidine dihydrochloride - Risk and Safety
| Risk Codes | R45 - May cause cancer R22 - Harmful if swallowed R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 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 | 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.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 2811 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | DD0600000 |
| Toxicity | mmo-sat 100 nmol/plate MUREAV 136,33,84 |
benzidine dihydrochloride - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | reference value: (benzidine) oral administration-rat LD50: 309 mg/kg; Oral administration-mouse LD50; 214 mg/kg |
| flammability hazard characteristics | combustible; heated to release toxic hydrogen chloride and nitrogen oxide gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | water, carbon dioxide, sand, foam |
Last Update：2024-04-10 22:29:15
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