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Diethyl Acetylenedicarboxylate
(CAS Number:762-21-0 Product Number:A0089)


Diethyl Acetylenedicarboxylate
Synonym Acetylenedicarboxylic Acid Diethyl Ester

General Information

Product Number A0089

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Purity/Analysis Method >95.0%(GC)
Storage Temperature
M.F. / M.W. C8H10O4=170.16
CAS Number 762-21-0
Related CAS Number
MDL Number MFCD00009186
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(GC) min. 95.0 %
Specific gravity (20/20) 1.0680 to 1.0720
Refractive index n20/D 1.4400 to 1.4440

Data of Reference

flp 94°C(lit.)
mp 1°C(lit.)
bp 115°C/18mmHg(lit.)


Beilstein 2,803
Reaxys-RN 743166
PubChem SID 87561786
F&F 2,127
EC Number 212-095-8


Signal Word Danger
Hazard Statements
  • H314
  • :Causes severe skin burns and eye damage.
Precautionary Statements
  • P260
  • :Do not breathe.
  • P264
  • :Wash hands thoroughly after handling.
  • P280
  • :Wear protective gloves/eye protection/face protection.
  • P301+P330+P331
  • :IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P303+P361+P353
  • :IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
  • P304+P340
  • :IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
  • P305+P351+P338
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310
  • :Immediately call a POISON CENTER or doctor/physician.
  • P363
  • :Wash contaminated clothing before reuse.
  • P405
  • :Store locked up.
  • P501
  • :Dispose of contents/container through a waste management company authorized by the local government.

Risk Phrases

Risk Phrases
  • R34
  • :Causes burns.

Safety Phrases

Safety Phrases
  • S26
  • :In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
  • S36/37/39
  • :Wear suitable protective clothing, gloves and eye/face protection.
  • S45
  • :In case of accident or if you feel unwell, seek medical advice immediately (show the lable where possible).

Transport Information

UN Number 1760
Class 8
Packing Group III
HS Number 2917199090


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