dibromoethane

Modify Date: 2026-07-02 11:00:07

dibromoethane Structure
dibromoethane structure
Common Name dibromoethane
CAS Number 557-91-5 Molecular Weight 187.861
Density 2.1±0.1 g/cm3 Boiling Point 104.7±8.0 °C at 760 mmHg
Molecular Formula C2H4Br2 Melting Point -63ºC
MSDS N/A Flash Point -11.2±17.7 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,1-Dibromoethane
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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
InChIKey APQIUTYORBAGEZ-UHFFFAOYSA-N
SMILES CC(Br)Br

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

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)

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2,2'-Dibromodiethylsulfid
dibromoethane
2,2'-Dibromodiethyl sulfide
2,2-dibromoethane
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

 dibromoethane | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the safety information for 1,1-Dibromoethane?
A: Safety information for 1,1-Dibromoethane: S45-S36/37.
Q: What is the CAS number of 1,1-Dibromoethane?
A: CAS number of 1,1-Dibromoethane is 557-91-5.
Q: What English synonyms does 1,1-Dibromoethane have?
A: English synonyms of 1,1-Dibromoethane: 2,2'-Dibromodiethylsulfid, dibromoethane, 2,2'-Dibromodiethyl sulfide, 2,2-dibromoethane, 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.
Q: What is the melting point of 1,1-Dibromoethane?
A: Melting point of 1,1-Dibromoethane is -63ºC.
Q: What is the molecular formula of 1,1-Dibromoethane?
A: Molecular formula of 1,1-Dibromoethane is C2H4Br2.
Q: What is the InChIKey of 1,1-Dibromoethane?
A: InChIKey of 1,1-Dibromoethane is APQIUTYORBAGEZ-UHFFFAOYSA-N.
Q: What is the SMILES notation of 1,1-Dibromoethane?
A: SMILES notation of 1,1-Dibromoethane is CC(Br)Br.
Q: What is the boiling point of 1,1-Dibromoethane?
A: Boiling point of 1,1-Dibromoethane is 104.7±8.0 °C at 760 mmHg.
Q: What is the LogP of 1,1-Dibromoethane?
A: LogP of 1,1-Dibromoethane is 1.89.
Q: What is the English name of 1,1-Dibromoethane?
A: The English name of 1,1-Dibromoethane is 1,1-Dibromoethane.

 dibromoethanefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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