Name | 4-Aminophenol hydrochloride |
Synonyms | furrop ci76551 fourrinep FurBrownp fourrine83 futraminep fouraminecp durafurbrownr 4-Amino phenol p-Aminophenol hydrochloride 4-hydroxyanilinium chloride 4-Aminophenol hydrochloride 4-Hydroxyaniline hydrochloride |
CAS | 51-78-5 |
EINECS | 200-122-6 |
InChI | InChI=1/C6H7NO.ClH/c7-5-1-3-6(8)4-2-5;/h1-4,8H,7H2;1H |
Molecular Formula | C6H8ClNO |
Molar Mass | 145.59 |
Melting Point | 302 °C |
Boling Point | 306°C (decomp) |
Flash Point | 124.3°C |
Water Solubility | soluble |
Vapor Presure | 0.00202mmHg at 25°C |
Appearance | powder |
Color | gray |
Merck | 14,462 |
BRN | 3911747 |
Storage Condition | Store below +30°C. |
Stability | Stable, but hygroscopic, air and light sensitive. Incompatible with strong oxidizing agents. |
Physical and Chemical Properties | White crystalline powder. Melting point 306 °c (decomposition). Soluble in water, soluble in alcohol. Gradual Black in light. |
Use | Used for photographic imaging agents, synthetic dyes, fur dyes, etc |
Hazard Symbols | Xi - Irritant |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact |
Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S36 - Wear suitable protective clothing. |
WGK Germany | 3 |
RTECS | SJ6070000 |
HS Code | 29222900 |
Toxicity | LD50 slt-dmg-orl: 750 mg/kg NTIS** AD691-490 |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Uses | Mainly used for fur dyeing, and can also be used as sulfide dyes and pharmaceutical intermediates Used for photographic imaging agents, synthetic dyes, fur dyes, etc. Mainly used for fur dyeing brown, and can also be used as sulfide dyes and pharmaceutical intermediates. Photographic |
production method | it is reduced by p-nitrophenol with iron powder (or sodium sulfide) and filtered. Acid analysis; Dehydration; Drying and making products. The product is required to be brown to brown powder, the color is not similar to the standard, the strength is 100±3 (min) of the standard, the content is 70±2%, and the dyeing fastness: the solarization and rubbing fastness when not mordant or iron and coal dyeing are both Grade 4; When copper is dyed, the sun is 5-6 and the friction is 4. When chromium is dyed, the sun is 6 and the friction is 4-5. |
category | toxic substances |
toxicity classification | poisoning |
acute toxicity | abdominal cavity-mouse LD50: 750 mg/kg |
flammability hazard characteristics | open flame combustible; heated decomposition of toxic nitrogen oxides and chloride gases |
storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
fire extinguishing agent | carbon dioxide, sand, foam, mist water, dry powder |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |