Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,9-Dibromobenzanthrone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

81-98-1

81-98-1 structure

Name: 3,9-Dibromobenzanthrone
Chemical Name: 3,9-dibromobenzo[b]phenalen-7-one
CAS Number: 81-98-1
Molecular Formula: C₁₇H₈Br₂O
Molecular Weight: 388.05300
Catalog: Inorganic chemical industry Inorganic salt Metal sulfides and sulfates
Create Date: 2018-09-09 06:34:02
Modify Date: 2024-01-02 11:05:12

Name	3,9-dibromobenzo[b]phenalen-7-one
Synonyms	3,9-dibromo-7H-benz(de)anthracen-7-one 2,7-Dibromomesobenzanthrone Benzanthrone,3,9-dibromo 3,9-dibromo-benzanthracen-7-one 6-Bz-1-Dibrombenzanthron [Czech] 2,7-Dibrommesobenzanthron 3,9-Dibromobenzanthrone EINECS 201-391-2 6-Bz-1-dibrombenzanthron 3.9-Dibrom-benzanthron MFCD00021092 3,9-dibromo-benz[de]anthracen-7-one 3,9-Dibrombenzanthrone 3,9-Dibrom-benz[de]anthracen-7-on

Density	1.836g/cm3
Boiling Point	535.5ºC at 760 mmHg
Melting Point	255-256ºC
Molecular Formula	C₁₇H₈Br₂O
Molecular Weight	388.05300
Flash Point	178.2ºC
Exact Mass	385.89400
PSA	17.07000
LogP	5.57620
Index of Refraction	1.762

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CX5081000

CHEMICAL NAME :: 7H-Benz(de)anthracen-7-one, 3,9-dibromo-

CAS REGISTRY NUMBER :: 81-98-1

BEILSTEIN REFERENCE NO. :: 2055712

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C17-H8-Br2-O

MOLECULAR WEIGHT :: 388.07

WISWESSER LINE NOTATION :: L C6666 1A Q IVJ FE OE

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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: -,567,1986 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4900 mg/kg

TOXIC EFFECTS :: Blood - normocytic anemia Blood - methemoglobinemia-carboxyhemoglobin

REFERENCE :: RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 40,137,1977

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1410 mg/kg

TOXIC EFFECTS :: Blood - normocytic anemia Blood - methemoglobinemia-carboxyhemoglobin

REFERENCE :: RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 40,137,1977 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 49 gm/kg/30D-I

TOXIC EFFECTS :: Liver - changes in liver weight Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 40,137,1977 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.2 mg/m3 JAN 1993

Safety Phrases	S22-S24/25
HS Code	2914700090

82-05-3

81-98-1

Literature: US2180835 , ; US2353049 , ;

81-96-9

81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101 Journal of the Chemical Society, , p. 2047,2049

181765-86-6

81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101

21740-00-1

81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101

756499-00-0

81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101

7791-25-5

82-05-3

7726-95-6

98-95-3

Detail

Literature: US2180835 , ; US2353049 , ;

7791-25-5

82-05-3

7726-95-6

95-50-1

Detail

Literature: US2180835 , ; US2353049 , ;

81-96-9

7732-18-5

7726-95-6

81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101 Journal of the Chemical Society, , p. 2047,2049

76500-14-6

7789-69-7

81-98-1

Literature: Journal of the Chemical Society, , p. 2047,2049

Precursor 10
82-05-3 81-96-9 181765-86-6 21740-00-1
756499-00-0 7791-25-5 7726-95-6 98-95-3
95-50-1 7732-18-5
DownStream 1
128-64-3

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

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