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ChemicalBook >> CAS DataBase List >> Acetylenedicarboxylic acid

Acetylenedicarboxylic acid

Acetylenedicarboxylic acid price.
  • $10 - $1190.79
  • Product name: Acetylenedicarboxylic acid
  • CAS: 142-45-0
  • MF: C4H2O4
  • MW: 114.06
  • EINECS:205-536-0
  • MDL Number:MFCD00004362
  • Synonyms:ACETYLENEDICARBOXYLIC ACID FREE ACID;BUTYNEDIOIC ACID ACETYLENE DICARBOXYLIC ACID 99%;Acetylenedicarboxylic acid,98%;Acetylen-dicarbonsαure;2-Butynedioate;NSC-1903;NSC-631597;Acetylenedicarboxylic acid,99%
Price18 Properties Safety Information Description
18 prices
Selected condition：
Brand
  • AHH
  • Ambeed
  • American Custom Chemicals Corporation
  • Biosynth Carbosynth
  • BroadPharm
  • Crysdot
  • Frontier Specialty Chemicals
  • Sigma-Aldrich
  • TCI Chemical
  • TRC
Package
  • 1g
  • 5g
  • 10g
  • 25g
  • 50g
  • 100g
  • 250g
  • ManufacturerAHH
  • Product numberMT-04274
  • Product description2-Butynedioicacid 97%
  • Packaging250g
  • Price$295
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA151533
  • Product descriptionAcetylenedicarboxylic Acid 98%
  • Packaging5g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA151533
  • Product descriptionAcetylenedicarboxylic Acid 98%
  • Packaging25g
  • Price$29
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0028288
  • Product descriptionACETYLENE DICARBOXYLIC ACID 95.00%
  • Packaging5G
  • Price$819.95
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0028288
  • Product descriptionACETYLENE DICARBOXYLIC ACID 95.00%
  • Packaging25G
  • Price$1190.79
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFA43743
  • Product descriptionAcetylenedicarboxylic acid
  • Packaging10g
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFA43743
  • Product descriptionAcetylenedicarboxylic acid
  • Packaging25g
  • Price$180
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFA43743
  • Product descriptionAcetylenedicarboxylic acid
  • Packaging50g
  • Price$320
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFA43743
  • Product descriptionAcetylenedicarboxylic acid
  • Packaging100g
  • Price$500
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFA43743
  • Product descriptionAcetylenedicarboxylic acid
  • Packaging250g
  • Price$900
  • Updated2021-12-16
  • Buy
  • ManufacturerBroadPharm
  • Product numberBP-21137
  • Product descriptionAcetylenedicarboxylic Acid 97%
  • Packaging1g
  • Price$45
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD13022813
  • Product descriptionBut-2-ynedioicacid 95+%
  • Packaging25g
  • Price$104
  • Updated2021-12-16
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  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK404950
  • Product descriptionAcetylenedicarboxylic Acid 98%
  • Packaging5g
  • Price$31
  • Updated2021-12-16
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  • ManufacturerSigma-Aldrich
  • Product numberA15207
  • Product descriptionAcetylenedicarboxylic acid 95%
  • Packaging5g
  • Price$78.2
  • Updated2025-07-31
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberA15207
  • Product descriptionAcetylenedicarboxylic acid 95%
  • Packaging25g
  • Price$223
  • Updated2025-07-31
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  • ManufacturerTCI Chemical
  • Product numberA0088
  • Product descriptionAcetylenedicarboxylic Acid >90.0%(HPLC)
  • Packaging5g
  • Price$38
  • Updated2025-07-31
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-04274 2-Butynedioicacid 97% 250g $295 2021-12-16 Buy
Ambeed A151533 Acetylenedicarboxylic Acid 98% 5g $10 2021-12-16 Buy
Ambeed A151533 Acetylenedicarboxylic Acid 98% 25g $29 2021-12-16 Buy
American Custom Chemicals Corporation CHM0028288 ACETYLENE DICARBOXYLIC ACID 95.00% 5G $819.95 2021-12-16 Buy
American Custom Chemicals Corporation CHM0028288 ACETYLENE DICARBOXYLIC ACID 95.00% 25G $1190.79 2021-12-16 Buy
Biosynth Carbosynth FA43743 Acetylenedicarboxylic acid 10g $100 2021-12-16 Buy
Biosynth Carbosynth FA43743 Acetylenedicarboxylic acid 25g $180 2021-12-16 Buy
Biosynth Carbosynth FA43743 Acetylenedicarboxylic acid 50g $320 2021-12-16 Buy
Biosynth Carbosynth FA43743 Acetylenedicarboxylic acid 100g $500 2021-12-16 Buy
Biosynth Carbosynth FA43743 Acetylenedicarboxylic acid 250g $900 2021-12-16 Buy
BroadPharm BP-21137 Acetylenedicarboxylic Acid 97% 1g $45 2021-12-16 Buy
Crysdot CD13022813 But-2-ynedioicacid 95+% 25g $104 2021-12-16 Buy
Frontier Specialty Chemicals JK404950 Acetylenedicarboxylic Acid 98% 5g $31 2021-12-16 Buy
Sigma-Aldrich A15207 Acetylenedicarboxylic acid 95% 5g $78.2 2025-07-31 Buy
Sigma-Aldrich A15207 Acetylenedicarboxylic acid 95% 25g $223 2025-07-31 Buy
TCI Chemical A0088 Acetylenedicarboxylic Acid >90.0%(HPLC) 5g $38 2025-07-31 Buy
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Properties

Melting point :180-187 °C (dec.) (lit.)
Boiling point :133.5°C (rough estimate)
Density :1.1794 (rough estimate)
bulk density :550kg/m3
refractive index :1.5260 (estimate)
Flash point :131 °C
storage temp. :2-8°C
solubility :Methanol (Slightly), Water
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

Symbol(GHS): GHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger GHS hazard pictograms P264, P270, P301+P310, P321, P330,P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Acetylenedicarboxylic acid is employed in the preparation of dimethyl acetylenedicarboxylate and potassium hydrogenacetylenedicarboxylate. It is also used as a laboratory reagent. Further, it is used as a precursor in organic synthesis and also serves as a pharmaceutical intermediate.

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Suppliers and manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Acetylenedicarboxylic acid
$1.00 /1kg
Acetylenedicarboxylic acid CAS:142-45-0
Shanghai UCHEM Inc.
Acetaylenedicarboxylic Acid
$14.00 /5g
Acetaylenedicarboxylic Acid CAS:142-45-0
career henan chemical co
Acetylenedicarboxylic acid
$1.00 /1KG
Acetylenedicarboxylic acid CAS:142-45-0
Capot Chemical Co.,Ltd.
Henan Tianfu Chemical Co.,Ltd.
Changzhou Ansciep Chemical Co., Ltd.
Hubei Jusheng Technology Co.,Ltd.
CONIER CHEM AND PHARMA LIMITED
Neostar United (Changzhou) Industrial Co., Ltd.
SIMAGCHEM CORP