CAS 632-79-1|Tetrabromophthalic anhydride

Introduction：Basic information about CAS 632-79-1|Tetrabromophthalic anhydride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Articles2
7. Synonyms

Common Name	Tetrabromophthalic anhydride
CAS Number	632-79-1	Molecular Weight	463.70000
Density	2.771 g/cm3	Boiling Point	540.5ºC at 760 mmHg
Molecular Formula	C₈Br₄O₃	Melting Point	269-271 °C(lit.)
MSDS	ChineseUSA	Flash Point	280.7ºC
Symbol	GHS07	Signal Word	Warning

Names

Name	Firemaster PHT4
Synonym	More Synonyms

Chemical & Physical Properties

Density	2.771 g/cm3
Boiling Point	540.5ºC at 760 mmHg
Melting Point	269-271 °C(lit.)
Molecular Formula	C₈Br₄O₃
Molecular Weight	463.70000
Flash Point	280.7ºC
Exact Mass	459.65800
PSA	43.37000
LogP	4.04720
Vapour Pressure	0.11 mm Hg ( 180 °C)
Index of Refraction	1.725
InChIKey	QHWKHLYUUZGSCW-UHFFFAOYSA-N
SMILES	O=C1OC(=O)c2c(Br)c(Br)c(Br)c(Br)c21
Water Solubility	hydrolysis

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TI3350000

CHEMICAL NAME :: Phthalic anhydride, tetrabromo-

CAS REGISTRY NUMBER :: 632-79-1

BEILSTEIN REFERENCE NO. :: 0018908

LAST UPDATED :: 199806

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C8-Br4-O3

MOLECULAR WEIGHT :: 463.72

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0523271 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >10 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0539755

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >10920 mg/m3/4H

TOXIC EFFECTS :: Behavioral - changes in motor activity (specific assay)

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0522251

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >10 gm/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity)

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0522251

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: >1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0521611 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2 gm/m3/4H/3W-I

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - changes in lung weight Gastrointestinal - changes in structure or function of salivary glands Liver - changes in liver weight

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0523277

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 100 gm/kg/4W-I

TOXIC EFFECTS :: Behavioral - ataxia Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0523276

Safety Information

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H317
Precautionary Statements	P280
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	2
RTECS	TI3350000
HS Code	29173911

Customs

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles2

Polybrominated diphenyl ether (PBDE) flame retardants.

Sci. Total Environ. 275(1-3) , 1-17, (2001)

Polybrominated diphenyl ether, PBDE, flame retardants are now a world-wide pollution problem reaching even remote areas. They have been found to bioaccumulate and there are concerns over the health ef...

Carbonic anhydrase activators. Part 24. High affinity isozymes I, II and IV activators, derivatives of 4-(4-chlorophenylsulfonylureido-amino acyl)ethyl-1H-imidazole.

Eur. J. Pharm. Sci. 10(1) , 29-41, (2000)

N-1-Tritylsulfenyl histamine was synthesized by reaction of histamine (Hst) with tetrabromophthalic anhydride followed by protection of its imidazole moiety with tritylsulfenyl chloride. After hydrazi...

Synonyms

MFCD00005919

4,5,6,7-tetrabromo-2-benzofuran-1,3-dione

EINECS 211-185-4

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