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1,4-Pentadiyn-3-one, also known as 3-ketopenta-1,4-diyne, is an organic compound characterized by a unique structure that includes two triple bonds separated by a single carbon atom. This molecule is a conjugated diene-yne with a carbonyl group, which endows it with specific chemical properties. It is a colorless liquid with a pungent odor and is soluble in organic solvents. 1,4-Pentadiyn-3-one is synthesized through various methods, including the reaction of 1,4-diiodobutane with copper(I) acetylenedicarboxylate. It is used in the synthesis of various organic compounds and has potential applications in the pharmaceutical and chemical industries due to its reactivity and the ability to form complex molecular structures.

33576-71-5

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Basic information
1. Product Name: 1,4-Pentadiyn-3-one
2. Synonyms: diethinylketone;Diaethinylketon;Diethynyl ketone;1,4-Pentadiyn-3-one;
3. CAS NO:33576-71-5
4. Molecular Formula: C5H2O
5. Molecular Weight: 78.0703
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: 1,4-Pentadiyn-3-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,4-Pentadiyn-3-one(33576-71-5)
11. EPA Substance Registry System: 1,4-Pentadiyn-3-one(33576-71-5)
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: 33576-71-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 33576-71-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,7 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33576-71:
(7*3)+(6*3)+(5*5)+(4*7)+(3*6)+(2*7)+(1*1)=125
125 % 10 = 5
So 33576-71-5 is a valid CAS Registry Number.

33576-71-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name	penta-1,4-diyn-3-one

1.2 Other means of identification

Product number	-
Other names	1,4-Pentadiyn-3-one

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:33576-71-5 SDS

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