CAS Number142-45-0
SynonymsMFCD00004362; Acetylendicarboxylate; EINECS 205-536-0; Acetylenedicarboxylic acid; but-2-ynedioic acid; 2-Butynedioic acid
Molecular FormulaHOOCC≡CCOOH
Molecular Weight114.06
Purity95%
Density1.7±0.1 g/cm3
Boiling Point362.4±25.0 °C at 760 mmHg
Melting Point180-187 °C (dec.) (lit.)
Appearancecrystals
EINECS205-536-0
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 142-45-0 |
| Catalog No. | 2A-9020907 |
| Chinese Name | 丁炔二酸 |
| Synonyms | MFCD00004362; Acetylendicarboxylate; EINECS 205-536-0; Acetylenedicarboxylic acid; but-2-ynedioic acid; 2-Butynedioic acid |
| Molecular Formula | HOOCC≡CCOOH |
| Molecular Weight | 114.06 |
| Purity | 95 |
| Density | 1.7±0.1 g/cm3 |
| Boiling Point | 362.4±25.0 °C at 760 mmHg |
| Melting Point | 180-187 °C (dec.) (lit.) |
| Appearance | crystals |
| Water Solubility | soluble |
| Storage Condition | 2-8°C |
| Packaging | II |
| EINECS | 205-536-0 |
| HTC | 29171990 |
| PubChem ID | 24890553 |
| MDL Number | MFCD00004362 |
| SMILES | OC(=O)C#CC(O)=O |
| InChI | 1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8) |
| InChI Key | YTIVTFGABIZHHX-UHFFFAOYSA-N |
| Beilstein/REAXYS | 878357 |
| NACRES Code | NA.22 |
| UNSPSC | 12352100 |
| Hazard Symbols | 6.1 |
| MSDS | msds/20907_1_142_45_0.pdf |
| Tax Rebate | 9.0% |
| Supervision | None MFN tariff: 6.5% Ordinary tariff: 30.0% |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Dangerous Regulations for land transport: 2811 International Dangerous Regulations for sea transport: 2811 International Dangerous Regulations for air transport: 2811 14.2 United Nations shipping name European Land Transport Dangerous Regulations: TOXIC SOLID, ORGANIC, N.O.S. (Butynedioic acid) IMDG Code: TOXIC SOLID, ORGANIC, N.O.S. (Butynedioic acid) International air transport hazard regulations: Toxic solid, organic, n.o.s. (Butynedioic acid) 14.3 Transport hazard categories European Land Transport Danger Regulations: 6.1 International Maritime Transport Danger Regulations: 6.1 International Air Transport Danger Regulations: 6.1 14.4 Package group European Land Transport Danger Regulations: III International Maritime Transport Danger Regulations: III International Air Transport Danger Regulations: III 14.5 Environmental hazards European Land Transport Danger Regulations: No International Maritime Danger Regulations International Air Transport Danger Regulations: No Marine pollutants (yes/no): No 14.6 Special reminder to users No data available |
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