Pigment Red 23

Modify Date: 2024-01-09 21:43:31

Pigment Red 23 Structure
Pigment Red 23 structure
Common Name Pigment Red 23
CAS Number 6471-49-4 Molecular Weight 487.42100
Density 1.47 g/cm3 Boiling Point 692.8ºC at 760 mmHg
Molecular Formula C24H17N5O7 Melting Point 330-340ºC
MSDS N/A Flash Point 372.8ºC

 Names

Name Pigment Red 23
Synonym More Synonyms

 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)

 Synonyms

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
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