Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,1'-diethyl[3,3'-bianthra[1,9-cd]pyrazole]-6,6'(1H,1'H)-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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4203-77-4

4203-77-4 structure

Name: Pigment Red 195
Chemical Name: Carbanthrene Red G 2B
CAS Number: 4203-77-4
Molecular Formula: C₃₂H₂₂N₄O₂
Molecular Weight: 494.54300
Catalog: Dyes and pigments dye Reduced dye
Create Date: 2018-02-24 08:00:00
Modify Date: 2025-08-26 20:52:04

Name	Carbanthrene Red G 2B
Synonyms	Cibanone Red 6B Nihonthrene Red BB 1,1'-diethyl[3,3'-bianthra(1,9-cd)pyrazole]-6,6'(1H,1'H)-dione 1,1'-diethyl-1H,1'H-[3,3']bi[dibenz[cd,g]indazolyl]-6,6'-dione Ahcovat Rubine R Ponsol Red 2BD 1,1'-Diaethyl-1H,1'H-[3,3']bi[dibenz[cd,g]indazolyl]-6,6'-dion Indanthren Rubine R Tinon Red 6B Indanthrene Rubine R Ponsol Red 2B Fenanthren Rubine R

Density	1.44
Boiling Point	838.2ºC at 760 mmHg
Molecular Formula	C₃₂H₂₂N₄O₂
Molecular Weight	494.54300
Flash Point	460.7ºC
Exact Mass	494.17400
PSA	69.78000
LogP	6.30160
Index of Refraction	1.788

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DT3850000

CHEMICAL NAME :: (3,3'-Bianthra(1,9-cd)pyrazole)-6,6'(1H,1'H)-dione, 1,1'-diethyl-

CAS REGISTRY NUMBER :: 4203-77-4

BEILSTEIN REFERENCE NO. :: 0378186

LAST UPDATED :: 199701

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C32-H22-N4-O2

MOLECULAR WEIGHT :: 494.58

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1325,1986

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1325,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X8597 No. of Facilities: 16 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 47 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X8741 No. of Facilities: 285 (estimated) No. of Industries: 5 No. of Occupations: 10 No. of Employees: 17343 (estimated) No. of Female Employees: 13122 (estimated)

HS Code	2933990090

80-40-0

4203-77-4

Literature: Kunz Melliand Textilb., 1952 , vol. 33, p. 63 Full Text Show Details I.G.Farbenind. Patent: DE463246 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 16, p. 1338 Full Text Show Details Chem.Fabr.Griesheim-Elektron Patent: DE301554 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 13, p. 408 Full Text Show Details Venkataraman,K. The Chemistry of Synthetic Dyes,Bd.II S.993,994 Full Text Show Details Fiat Final Report Nr.1313,Bd.II,S.159

64-67-5

4203-77-4

80-40-0

83766-67-0

4203-77-4

Literature: Maki; Akamatsu Kogyo Kagaku Zasshi, 1951 , vol. 54, p. 326 Chem.Abstr., 1953 , p. 2989

Precursor 2
80-40-0 64-67-5
DownStream 0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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