3,9-Dibromobenzanthrone

Modify Date: 2025-08-24 21:27:27

3,9-Dibromobenzanthrone Structure
3,9-Dibromobenzanthrone structure
 Common Name 3,9-Dibromobenzanthrone
CAS Number 81-98-1 Molecular Weight 388.05300
Density 1.836g/cm3 Boiling Point 535.5ºC at 760 mmHg
Molecular Formula C17H8Br2O Melting Point 255-256ºC
MSDS N/A Flash Point 178.2ºC

 Names

Name 3,9-dibromobenzo[b]phenalen-7-one
Synonym More Synonyms

 Chemical & Physical Properties

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

 Toxicological Information

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 Information

Safety Phrases S22-S24/25
HS Code 2914700090

 Synthetic Route

BENZANTHRONE structure

BENZANTHRONE

CAS#:82-05-3

~%

3,9-Dibromobenzanthrone Structure

3,9-Dibromobenz...

CAS#:81-98-1

Literature: US2180835 , ; US2353049 , ;
3-Bromobenzanthrone structure

3-Bromobenzanthrone

CAS#:81-96-9

~%

3,9-Dibromobenzanthrone Structure

3,9-Dibromobenz...

CAS#:81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101 Journal of the Chemical Society, , p. 2047,2049
Methyl 5-bromo-2-iodobenzoate structure

Methyl 5-bromo-...

CAS#:181765-86-6

~%

3,9-Dibromobenzanthrone Structure

3,9-Dibromobenz...

CAS#:81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101
5-Bromo-2-iodobenzoic acid structure

5-Bromo-2-iodob...

CAS#:21740-00-1

~%

3,9-Dibromobenzanthrone Structure

3,9-Dibromobenz...

CAS#:81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101
3-bromo-7-oxo-7H-benz[de]anthracene-11-carboxylic acid structure

3-bromo-7-oxo-7...

CAS#:756499-00-0

~%

3,9-Dibromobenzanthrone Structure

3,9-Dibromobenz...

CAS#:81-98-1

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

Sulfuryl chloride

CAS#:7791-25-5

BENZANTHRONE structure

BENZANTHRONE

CAS#:82-05-3

Bromine structure

Bromine

CAS#:7726-95-6

nitrobenzene structure

nitrobenzene

CAS#:98-95-3

~%

Detail
Literature: US2180835 , ; US2353049 , ;
Sulfuryl chloride structure

Sulfuryl chloride

CAS#:7791-25-5

BENZANTHRONE structure

BENZANTHRONE

CAS#:82-05-3

Bromine structure

Bromine

CAS#:7726-95-6

1,2-Dichlorobenzene structure

1,2-Dichlorobenzene

CAS#:95-50-1

~%

Detail
Literature: US2180835 , ; US2353049 , ;
3-Bromobenzanthrone structure

3-Bromobenzanthrone

CAS#:81-96-9

Water structure

Water

CAS#:7732-18-5

Bromine structure

Bromine

CAS#:7726-95-6

~%

3,9-Dibromobenzanthrone Structure

3,9-Dibromobenz...

CAS#:81-98-1

Literature: Journal of the Chemical Society, , p. 1096,1101 Journal of the Chemical Society, , p. 2047,2049
3-bromo-7-oxo-7H-benz[de]anthracene-9-sulfonic acid , sodium-salt structure

3-bromo-7-oxo-7...

CAS#:76500-14-6

PHOSPHORUS PENTABROMIDE structure

PHOSPHORUS PENT...

CAS#:7789-69-7

~%

3,9-Dibromobenzanthrone Structure

3,9-Dibromobenz...

CAS#:81-98-1

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

 Customs

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%

 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
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