Cas 142-44-9,(2Z)-but-2-enedioate

142-44-9

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Basic information

Product Name: (2Z)-but-2-enedioate
Synonyms: 2-butenedioic acid, ion(2-), (2Z)-
CAS NO:142-44-9
Molecular Formula: C₄H₂O₄
Molecular Weight: 114.0574
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: 355.5°C at 760 mmHg
Flash Point: 183°C
Appearance: N/A
Density: N/A
Vapor Pressure: 5.19E-06mmHg at 25°C
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (2Z)-but-2-enedioate(CAS DataBase Reference)
NIST Chemistry Reference: (2Z)-but-2-enedioate(142-44-9)
EPA Substance Registry System: (2Z)-but-2-enedioate(142-44-9)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 142-44-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 142-44-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,4 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 142-44:
(5*1)+(4*4)+(3*2)+(2*4)+(1*4)=39
39 % 10 = 9
So 142-44-9 is a valid CAS Registry Number.

142-44-9Upstream product

108-31-6 maleic anhydride

142-44-9Downstream Products

142-44-9Relevant academic research and scientific papers

PROCESS FOR PREPARING PHOSPHOTARTARIC ACID AND SALTS THEREOF

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Paragraph 0055-0057; 0063-0066, (2017/09/27)

The present invention relates to a process for preparing phosphotartaric acid and salts thereof, wherein a reaction mixture containing epoxysuccinic acid or a salt thereof, an orthophosphoric acid source and water as main constituents is reacted, to compositions obtainable by this process and to the use of such compositions for treating water in water-bearing systems, in particular as an additive for inhibition of formation of scale or inhibition of corrosion in water bearing systems.

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