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China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Bromo-2-methylpropane
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1-Bromo-2-Methylpropane
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Purity: 99.0%
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78-77-3

78-77-3 structure

78-77-3 structure

Name: 1-Bromo-2-methylpropane
Chemical Name: 1-Bromo-2-Methylpropane
CAS Number: 78-77-3
Molecular Formula: C₄H₉Br
Molecular Weight: 137.018
Catalog: Chemical reagent Organic reagent Halogenated aliphatic hydrocarbon
Create Date: 2018-02-11 08:00:00
Modify Date: 2026-07-02 13:26:22

Name	1-Bromo-2-Methylpropane
Synonyms	Bortezomib Impurity 26 Iso-butyl Bromide (IBBr) 1-Bromo-2-methyl propane ISOBUTYL BROMIDE / 1-BROMO-2-METHYLPROPANE 1-bromo-2-methyl-propan MFCD00000217 ISO BUTYL BROMIDE 1-Bromo-iso-butame BroMine generation of isobutane Manufacturers wholesale 1-Bromo-2-methylpropane for sale CAS NO.-3 1-BroMo-2-Methylpropane, ML Isobutylbromid 2-Methylpropylbromide i-Butyl bromide Propane,1-bromo-2-methyl 1-Bromoisobutane ISOBUTYL BROMIDE Isobutyl Bromide ( w/ Ag) Isobutylbromide iso-C4H9Br EINECS 201-141-2 1-BROMO-2-METHYLPROPANE iso butyl bromide (-3) 2-methyl-1-bromopropane, bromoisobutane 1-BROMO-2-METHGL PROPANE 1-Bromo-2-methylpropane > Febuxostat Impurity

Density	1.3±0.1 g/cm3
Boiling Point	90.7±8.0 °C at 760 mmHg
Melting Point	-119 °C
Molecular Formula	C₄H₉Br
Molecular Weight	137.018
Flash Point	18.3±0.0 °C
Exact Mass	135.988754
LogP	2.56
Vapour Pressure	62.9±0.2 mmHg at 25°C
Index of Refraction	1.436
Water Solubility	0.51 g/L (18 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TX4140000

CHEMICAL NAME :: Propane, 1-bromo-2-methyl-

CAS REGISTRY NUMBER :: 78-77-3

LAST UPDATED :: 199709

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C4-H9-Br

MOLECULAR WEIGHT :: 137.04

WISWESSER LINE NOTATION :: E1Y1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1660 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 20(12),52,1976

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 50500 mg/m3

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(4),55,1974 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3000 mg/kg/8W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors

REFERENCE :: CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 35,1411,1975

Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statements	H225-H315-H319-H335
Precautionary Statements	P210-P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	F:Flammable
Risk Phrases	R11;R36/37/38
Safety Phrases	S16-S23-S37/39-S26
RIDADR	UN 2342 3/PG 2
WGK Germany	3
RTECS	TX4140000
Packaging Group	II
Hazard Class	3
HS Code	2903299090

Precursor 9
78-83-1 75-28-5 115-11-7 106-97-8
161616-29-1 29015-35-8 513-38-2 513-36-0
1116-39-8
DownStream 10
30762-00-6 542-56-3 625-74-1 32741-05-2
542-54-1 56311-39-8 544-01-4 39520-24-6
4439-24-1 513-44-0

HS Code	2903399090
Summary	2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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