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Cyclopentane, (2-bromoethylidene)-, also known as 1-Bromo-1-cyclopenten-3-yne, is a halogenated cycloalkyne with the chemical formula C6H7Br. It is a colorless liquid with a molecular weight of 161.02 g/mol. Cyclopentane, (2-bromoethylidene)- is characterized by a cyclopentane ring with a bromine atom attached to one of the carbons and a triple bond between two other carbons. It is an important intermediate in organic synthesis, particularly in the preparation of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity, it is used in various chemical reactions, such as addition, substitution, and cyclization processes. Cyclopentane, (2-bromoethylidene)-, is typically stored under an inert atmosphere to prevent unwanted side reactions and is handled with care due to its potential toxicity and reactivity.

931-42-0

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Basic information
1. Product Name: Cyclopentane, (2-bromoethylidene)-
2. Synonyms:
3. CAS NO:931-42-0
4. Molecular Formula: C7H11Br
5. Molecular Weight: 175.068
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Cyclopentane, (2-bromoethylidene)-(CAS DataBase Reference)
10. NIST Chemistry Reference: Cyclopentane, (2-bromoethylidene)-(931-42-0)
11. EPA Substance Registry System: Cyclopentane, (2-bromoethylidene)-(931-42-0)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 931-42-0(Hazardous Substances Data)

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931-42-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 931-42-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 931-42:
(5*9)+(4*3)+(3*1)+(2*4)+(1*2)=70
70 % 10 = 0
So 931-42-0 is a valid CAS Registry Number.

931-42-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name	2-bromoethylidenecyclopentane

1.2 Other means of identification

Product number	-
Other names	1-bromo-2-cyclopentylidene-ethane

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:931-42-0 SDS

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