Shanghai Nianxing Industrial Co., Ltd
China
Product Name: dibromoethane
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,1-dibromoethane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

557-91-5

557-91-5 structure

557-91-5 structure

Name: dibromoethane
Chemical Name: 1,1-Dibromoethane
CAS Number: 557-91-5
Molecular Formula: C₂H₄Br₂
Molecular Weight: 187.861
Catalog: Chemical reagent Organic reagent Halogenated aliphatic hydrocarbon
Create Date: 2018-03-14 08:00:00
Modify Date: 2025-08-20 21:16:27

Name	1,1-Dibromoethane
Synonyms	2,2'-Dibromodiethylsulfid dibromoethane 2,2'-Dibromodiethyl sulfide 2,2-dibromoethane Ethane, 1,1-dibromo- 1,1-Dibromoethane Sulfide,bis(2-bromoethyl) MFCD00041719 bis(2-bromoethyl) sulfide bis(2-bromoethyl)sulfane 1,5-Dibromo-3-thiapentane EINECS 209-184-9 1,1-dibromo ethane Di(2-Bromoethyl) sulfide

Density	2.1±0.1 g/cm3
Boiling Point	104.7±8.0 °C at 760 mmHg
Melting Point	-63ºC
Molecular Formula	C₂H₄Br₂
Molecular Weight	187.861
Flash Point	-11.2±17.7 °C
Exact Mass	185.867966
LogP	1.89
Vapour Pressure	35.4±0.2 mmHg at 25°C
Index of Refraction	1.518

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KH9000000

CHEMICAL NAME :: Ethane, 1,1-dibromo-

CAS REGISTRY NUMBER :: 557-91-5

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C2-H4-Br2

MOLECULAR WEIGHT :: 187.88

WISWESSER LINE NOTATION :: EYE1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Rectal

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1250 mg/kg

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

MUTATION DATA

TYPE OF TEST :: DNA repair

TEST SYSTEM :: Bacteria - Escherichia coli

DOSE/DURATION :: 10 mg/plate

REFERENCE :: CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 34,2576,1974

Hazard Codes	Xn
Risk Phrases	40-20/21/22
Safety Phrases	S45-S36/37
RIDADR	2810
RTECS	KH9000000
Packaging Group	III
Hazard Class	6.1(b)

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