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ChemicalBook >> CAS DataBase List >> Di-tert-butyl acetylenedicarboxylate

Di-tert-butyl acetylenedicarboxylate

Di-tert-butyl acetylenedicarboxylate price.
  • $37 - $956.87
  • Product name: Di-tert-butyl acetylenedicarboxylate
  • CAS: 66086-33-7
  • MF: C12H18O4
  • MW: 226.27
  • EINECS:266-135-4
  • MDL Number:MFCD00008808
  • Synonyms:2-BUTYNEDIOIC ACID DI-TERT-BUTYL ESTER;di-tert-butyl 2-butynedioate ;DI-TERT-BUTYL ACETYLENEDICARBOXYLATE, 98 %;2-Butynedioic acid di-tert-butyl ester, Di-tert-butyl 2-butynedioate;Aminium;Acetylenedicarboxylic acid di-tert-butyl ester;Acetylenedicarboxylic acid ditert-butyl ester;Di-tert-butyl acetylenedicarboxylate 98%
Price11 Properties Safety Information Description
11 prices
Selected condition：
Brand
  • aablocks
  • American Custom Chemicals Corporation
  • Arctom
  • Crysdot
  • Sigma-Aldrich
Package
  • 250mg
  • 1g
  • 5g
  • 100g
  • Manufactureraablocks
  • Product numberAA003POY
  • Product description1,4-Bis(1,1-dimethylethyl) 2-butynedioate 95%
  • Packaging250mg
  • Price$57
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003POY
  • Product description1,4-Bis(1,1-dimethylethyl) 2-butynedioate 95%
  • Packaging1g
  • Price$63
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003POY
  • Product description1,4-Bis(1,1-dimethylethyl) 2-butynedioate 95%
  • Packaging5g
  • Price$213
  • Updated2026-05-28
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0124563
  • Product descriptionDI-TERT-BUTYL ACETYLENEDICARBOXYLATE 95.00%
  • Packaging1G
  • Price$655.25
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0124563
  • Product descriptionDI-TERT-BUTYL ACETYLENEDICARBOXYLATE 95.00%
  • Packaging5G
  • Price$956.87
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberBD-A436571
  • Product descriptionDi-tert-butyl but-2-ynedioate 95%
  • Packaging250mg
  • Price$37
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A436571
  • Product descriptionDi-tert-butyl but-2-ynedioate 95%
  • Packaging5g
  • Price$295
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A436571
  • Product descriptionDi-tert-butyl but-2-ynedioate 95%
  • Packaging1g
  • Price$62
  • Updated2026-05-26
  • Buy
  • ManufacturerCrysdot
  • Product numberCD13007224
  • Product descriptionDi-tert-butyl but-2-ynedioate 97%
  • Packaging100g
  • Price$779
  • Updated2026-05-27
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number270822
  • Product descriptionDi-tert-butyl acetylenedicarboxylate 98%
  • Packaging1g
  • Price$70.3
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number270822
  • Product descriptionDi-tert-butyl acetylenedicarboxylate 98%
  • Packaging5g
  • Price$262
  • Updated2026-04-30
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003POY 1,4-Bis(1,1-dimethylethyl) 2-butynedioate 95% 250mg $57 2026-05-28 Buy
aablocks AA003POY 1,4-Bis(1,1-dimethylethyl) 2-butynedioate 95% 1g $63 2026-05-28 Buy
aablocks AA003POY 1,4-Bis(1,1-dimethylethyl) 2-butynedioate 95% 5g $213 2026-05-28 Buy
American Custom Chemicals Corporation CHM0124563 DI-TERT-BUTYL ACETYLENEDICARBOXYLATE 95.00% 1G $655.25 2021-12-16 Buy
American Custom Chemicals Corporation CHM0124563 DI-TERT-BUTYL ACETYLENEDICARBOXYLATE 95.00% 5G $956.87 2021-12-16 Buy
Arctom BD-A436571 Di-tert-butyl but-2-ynedioate 95% 250mg $37 2026-05-26 Buy
Arctom BD-A436571 Di-tert-butyl but-2-ynedioate 95% 5g $295 2026-05-26 Buy
Arctom BD-A436571 Di-tert-butyl but-2-ynedioate 95% 1g $62 2026-05-26 Buy
Crysdot CD13007224 Di-tert-butyl but-2-ynedioate 97% 100g $779 2026-05-27 Buy
Sigma-Aldrich 270822 Di-tert-butyl acetylenedicarboxylate 98% 1g $70.3 2026-04-30 Buy
Sigma-Aldrich 270822 Di-tert-butyl acetylenedicarboxylate 98% 5g $262 2026-04-30 Buy

Properties

Melting point :33-37 °C(lit.)
Boiling point :80-82 °C0.05 mm Hg(lit.)
Density :1.0238 (rough estimate)
refractive index :1.4560 (estimate)
Flash point :>230 °F
storage temp. :2-8°C
form :solid
Appearance :Colorless to off-white Solid
BRN :1957547
InChI :1S/C12H18O4/c1-11(2,3)15-9(13)7-8-10(14)16-12(4,5)6/h1-6H3
InChIKey :FBCRUXRGQFLOMC-UHFFFAOYSA-N
SMILES :CC(C)(C)OC(=O)C#CC(=O)OC(C)(C)C

Safety Information

Symbol(GHS): Corrosion (GHS05)Exclamation Mark (GHS07)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/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.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

A versatile synthetic intermediate. The tert-butyl groups can easily be cleaved. (1, 2)

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Suppliers and manufacturers

Energy Chemical Syntechem Co.,Ltd Sinopharm Chemical Reagent Co,Ltd. Sigma-Aldrich Aikon International Limited Tianjin heowns Biochemical Technology Co., Ltd. Shanghai SPAR pharmaceutical technology co., LTD Henan Alfa Chemical Co., Ltd Shanghai Yingxin Laboratory Equipment Co., Ltd. Shanghai Maclean Biochemical Technology Co., LTD