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| CAS No.: | 121-88-0 |
|---|---|
| Name: | 2-Amino-5-nitrophenol |
| Article Data: | 23 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H6N2O3 |
| Molecular Weight: | 154.125 |
| Synonyms: | NCI C55970;Rodol YBA;Phenol, 2-amino-5-nitro-;C.I. 76535;5-Nitro-2-aminophenol;CI 76535;3-Nitro-6-aminophenol;3-Hydroxy-4-aminonitrobenzene;2-Hydroxy-4-nitroaniline;2-amino-5-nitrophenol;2-hydroxy-4-nitroaniline;2-Amino-5-Nitrophenol；2-Hydroxy-4-nitroaniline; 4-Amino-3-hydroxynitrobenzene;NCI-C55970; |
| EINECS: | 204-503-8 |
| Density: | 1.511 g/cm3 |
| Melting Point: | 198-202 ºC (dec.) |
| Boiling Point: | 364 ºCat 760 mmHg |
| Flash Point: | 173.9 ºC |
| Solubility: | insoluble in water |
| Appearance: | brown to rust crystalline powder |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | 36/37/38-68-20/21/22 |
| Safety: | 26-36/37-45-36/37/39-36 |
| PSA: | 92.07000 |
| LogP: | 1.98700 |
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Chemistry
The Molecular Structure of 2-Amino-5-nitrophenol (CAS NO.121-88-0):
Empirical Formula: C6H6N2O3
Molecular Weight: 154.1234
IUPAC Name: 2-amino-5-nitrophenol
Appearance: Brown to rust Crystalline powder
Product Categories: Intermediates of Dyes and Pigments;Aromatic Phenols;Phenol&Thiophenol&Mercaptan;Phenoles and thiophenoles
Nominal Mass: 154 Da
Average Mass: 154.1234 Da
Monoisotopic Mass: 154.037842 Da
Index of Refraction: 1.688
Molar Refractivity: 38.91 cm3
Molar Volume: 101.9 cm3
Surface Tension: 78.5 dyne/cm
Density: 1.511 g/cm3
Flash Point: 173.9 °C
Enthalpy of Vaporization: 63.41 kJ/mol
Boiling Point: 364 °C at 760 mmHg
Vapour Pressure: 8.29E-06 mmHg at 25°C
Water Solubility: insoluble
InChI
InChI=1/C6H6N2O3/c7-5-2-1-4(8(10)11)3-6(5)9/h1-3,9H,7H2
Smiles
c1(cc(c(N)cc1)O)[N+](=O)[O-]
Synonyms: CI 76535 ; 4-13-00-00903 (Beilstein Handbook Reference) ; AI3-52548 ; BRN 0972974 ; C.I. 76535 ; CCRIS 754 ; CI 76535 ; EINECS 204-503-8 ; HSDB 4168 ; NCI C55970 ; NSC 7087 ; N.C.I. C55970 ; Rodol YBA ; Ursol Yellow Brown A
Uses
2-amino-5-nitrophenol (CAS NO.121-88-0) can be used in the manufacture of Metal complex dyes and active black.
Toxicity Data With Reference
| 1. | mmo-sat 20 μg/plate | PNASA6 Proceedings of the National Academy of Sciences of the United States of America. 72 (1975),2423. | ||
| 2. | mma-sat 1 μmol/plate | MUREAV Mutation Research. 58 (1978),11. | ||
| 3. | cyt-ham:lng 1 mg/L | ATSUDG Archives of Toxicology,Supplement (4)(1980),41. | ||
| 4. | orl-rat TDLo:3756 mg/kg/16D-I:ETA,REP | |||
| 5. | orl-rat LD50:>4 g/kg | JTEHD6 Journal of Toxicology and Environmental Health. 2 (1977),657. | ||
| 6. | ipr-rat LD50:>800 mg/kg | JTEHD6 Journal of Toxicology and Environmental Health. 2 (1977),657. NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-334 ,1988. | ||
| 7. | orl-rat TDLo:52 g/kg/13W-I | NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-334 ,1988. | ||
| 8. | orl-mus TDLo:104 g/kg/13W-I | NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-334 ,1988. |
Consensus Reports
IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of chemicals to Man . 57 (1993),p. 177.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of chemicals to Man . 57 (1993),p. 177.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of chemicals to Man . 57 (1993),p. 177.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . NTP Carcinogenesis Studies (gavage): Some Evidence: rat NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-334 ,1988. . Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Safety Profile
Questionable carcinogen with experimental tumorigenic data. Experimental reproductive effects. Mutation data reported. Potentially explosive reaction with nitrous acid. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes: 
Xn
Xi
Risk Statements: 36/37/38-68-20/21/22
R36/37/38: Irritating to eyes, respiratory system and skin
R68: Possible risk of irreversible effects
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed
Safety Statements: 26-36/37-45-36/37/39-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37: Wear suitable protective clothing and gloves
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
S36: Wear suitable protective clothing
RIDADR: 2811
WGK Germany: 2
RTECS: SJ6302500
Specification
2-Amino-5-nitrophenol (CAS NO.121-88-0) is also called as 5-Nitro-2-aminophenol ; Phenol, 2-amino-5-nitro- ; 2-Hydroxy-4-nitroaniline ; 3-Hydroxy-4-aminonitrobenzene ; 3-Nitro-6-aminophenol ; 5-Nitro-2-aminophenol ; Phenol, 2-amino-5-nitro- ; Phenol, 2-amino-5-nitro- (8CI)(9CI) .