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Acetylenedicarboxylic acid. CAS NO.142-45-0
- Min.Order: 1 Gram
- Payment Terms: T/T,Other
- Product Details
Keywords
- Acetylenedicarboxylic acid
- 142-45-0
- 99% ACETYLENEDICARBOXYLIC ACID FREE ACID;BUTYNEDIOIC ACID ACETYLENE DICARBOXYLIC ACID
Quick Details
- ProName: Acetylenedicarboxylic acid.
- CasNo: 142-45-0
- Molecular Formula: C4H2O4
- Appearance: Powder
- Application: Intermediate
- DeliveryTime: In stock
- PackAge: According to your need for packing
- Port: Shanghai
- ProductionCapacity: 1 Metric Ton/Day
- Purity: 98%
- Storage: 2-8°C
- Transportation: sea,air,courier
- LimitNum: 1 Gram
Superiority
Acetylenedicarboxylic acid Chemical Properties
Melting point 180-187 °C (dec.) (lit.)
Boiling point 133.5°C (rough estimate)
density 1.1794 (rough estimate)
refractive index 1.5260 (estimate)
Fp 131 °C
storage temp. 2-8°C
pka pK1: 1.75; pK2: 4.40 (25°C)
form Crystalline Powder or Crystals
color White or cream to beige
Water Solubility soluble
BRN 878357
InChIKey YTIVTFGABIZHHX-UHFFFAOYSA-N
CAS DataBase Reference 142-45-0(CAS DataBase Reference)
NIST Chemistry Reference 2-Butynedioic acid(142-45-0)
EPA Substance Registry System 2-Butynedioic acid (142-45-0)
Safety Information
Hazard Codes T,Xi
Risk Statements 25-36/37/38
Safety Statements 26-45-37/39
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
TSCA Yes
HazardClass 6.1
PackingGroup II
HS Code 29171990
Details
Acetylenedicarboxylic acid Chemical Properties
Melting point 180-187 °C (dec.) (lit.)
Boiling point 133.5°C (rough estimate)
density 1.1794 (rough estimate)
refractive index 1.5260 (estimate)
Fp 131 °C
storage temp. 2-8°C
pka pK1: 1.75; pK2: 4.40 (25°C)
form Crystalline Powder or Crystals
color White or cream to beige
Water Solubility soluble
BRN 878357
InChIKey YTIVTFGABIZHHX-UHFFFAOYSA-N
CAS DataBase Reference 142-45-0(CAS DataBase Reference)
NIST Chemistry Reference 2-Butynedioic acid(142-45-0)
EPA Substance Registry System 2-Butynedioic acid (142-45-0)
Safety Information
Hazard Codes T,Xi
Risk Statements 25-36/37/38
Safety Statements 26-45-37/39
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
TSCA Yes
HazardClass 6.1
PackingGroup II
HS Code 29171990
Acetylenedicarboxylic acid Basic information
Product Name: Acetylenedicarboxylic acid
Synonyms: ACETYLENEDICARBOXYLIC ACID FREE ACID;BUTYNEDIOIC ACID ACETYLENE DICARBOXYLIC ACID 99%;Acetylenedicarboxylic acid,98%;Acetylen-dicarbonsαure;But-2-ynedioic acid;2-Butynedioate;NSC-1903;NSC-631597
CAS: 142-45-0
MF: C4H2O4
MW: 114.06
EINECS: 205-536-0
Mol File: 142-45-0.mol