Pigment Red 23
Names
[ CAS No. ]:
6471-49-4
[ Name ]:
Pigment Red 23
[Synonym ]:
CIPIGMENT23
Fast Carmine RBS
Fast Pink B
EINECS 229-313-2
6316 Fast Rose Red
Irgalite Red
6368 Permanent Pink
Pigment Red 245
c.i. pigment red 157
Chemical & Physical Properties
[ Density]:
1.47 g/cm3
[ Boiling Point ]:
692.8ºC at 760 mmHg
[ Melting Point ]:
330-340ºC
[ Molecular Formula ]:
C24H17N5O7
[ Molecular Weight ]:
487.42100
[ Flash Point ]:
372.8ºC
[ Exact Mass ]:
487.11300
[ PSA ]:
174.92000
[ LogP ]:
7.15750
[ Index of Refraction ]:
1.693
[ Stability ]:
Stable, but light sensitive. Incompatible with strong oxidizing agents.
[ Water Solubility ]:
<0.1 g/100 mL at 22 ºC
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- QJ1897000
- CHEMICAL NAME :
- 2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methoxy-5-nitrophenyl)azo)-N-(3-nitro phenyl)-
- CAS REGISTRY NUMBER :
- 6471-49-4
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 9
- MOLECULAR FORMULA :
- C24-H17-N5-O7
- MOLECULAR WEIGHT :
- 487.46
- WISWESSER LINE NOTATION :
- L66J BNUNR BO1 ENW& CQ DVMR CNW
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 273 gm/kg/13W-C
- TOXIC EFFECTS :
- Blood - normocytic anemia
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 102 gm/kg/17D-C
- TOXIC EFFECTS :
- Blood - pigmented or nucleated red blood cells Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 136 gm/kg/13W-C
- TOXIC EFFECTS :
- Liver - changes in liver weight Endocrine - changes in thymus weight
MUTATION DATA
- TYPE OF TEST :
- Mutation in microorganisms
- TEST SYSTEM :
- Bacteria - Salmonella typhimurium
- DOSE/DURATION :
- 10 ug/plate
- REFERENCE :
- NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-411,1992 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2113 No. of Facilities: 495 (estimated) No. of Industries: 16 No. of Occupations: 34 No. of Employees: 21254 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2113 No. of Facilities: 548 (estimated) No. of Industries: 11 No. of Occupations: 24 No. of Employees: 15233 (estimated) No. of Female Employees: 2716 (estimated)