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762-21-0

762-21-0 structure
762-21-0 structure

Name Diethyl acetylenedicarboxylate
Synonyms Diethyl 2-butynedioate
Diethyl acetylenedicarboxylate
Bis-(Ethoxycarbonyl)acetylene
Di-Ethyl acetylenedicarboxylate
2-Butynedioic acid, diethyl ester
Acetylenedicarboxylic acid, diethyl ester
diethyl but-2-ynedioate
EINECS 212-095-8
MFCD00009186
diethylbut-2-indioat
Density 1.1±0.1 g/cm3
Boiling Point 233.9±0.0 °C at 760 mmHg
Melting Point 1-3 °C
Molecular Formula C8H10O4
Molecular Weight 170.163
Flash Point 94.4±0.0 °C
Exact Mass 170.057907
PSA 52.60000
LogP 2.57
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.452
Storage condition 0-6°C
Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive;
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45-S25
RIDADR UN 3265 8/PG 2
WGK Germany 3
Packaging Group III
Hazard Class 8
HS Code 29171990
HS Code 2917190090
Summary 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%