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2-Butynedioic acid, dimethyl ester

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Formula: C6H6O4
CAS: 762-42-5
search Element: butynedioic dimethyl ester acid
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Identification

Structural Formula
2-Butynedioic acid, dimethyl ester
CAS:
762-42-5
EINECS:
212-098-4
Molecular Formula:
C6H6O4
MDL:
MFCD00008456
SMILES:
COC(=O)C#CC(=O)OC
Synonym:
di(carbomethoxy)acetylene ; dimethyl butyne-1,4-dioate ; bis(carbomethoxy)acetylene ; dimethyl butynedioate ; dimethylethynedicarboxylate ; dimethyl but-2-yndioate ; dimethyl acetylenedi ; acetylenedicarboxylate ; dmad ; dimethyl 2-butynedioate




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CAS equal suppliers

Dimethyl 2-butynedioate
Zehao Industry Co., Ltd.
ZI11043312
Dimethyl 2-butynedioate
BLD Pharmatech Ltd
BP8282484
Dimethyl but-2-ynedioate
Hangzhou MolCore BioPharmatech Co.,Ltd.
CS11256
Dimethyl but-2-ynedioate
Daming Changda Co., Ltd.
LLB00206
Dimethyl but-2-ynedioate
Wanko Chemical Co., Ltd.
WC17285184
Dimethyl but-2-ynedioate
Ambeed, Inc.
A401572
Dimethyl but-2-yne-1,4-dioate
Key Organics Limited
STR01625
Dimethyl acetylenedicarboxylate
Santa Cruz Biotechnology, Inc.
239767
Dimethyl Acetylenedicarboxylate
DSL Chemicals (Shanghai) Co., Ltd.
C012419
Dimethyl Acetylenedicarboxylate
TCI Chemicals (India) Pvt. Ltd.
A0090
Dimethyl acetylenedicarboxylate
AK Scientific, Inc.
AS11783534
Dimethyl acetylenedicarboxylate
Simagchem Corporation
SC13023906
Dimethyl acetylenedicarboxylate
Finetech Industry Limited
FIL15506200
Dimethyl acetylenedicarboxylate
Chemieliva Pharmaceutical Co., Ltd.
CP21706510
Dimethyl acetylenedicarboxylate
Suzhou Vosun Biotech Co.,Ltd
SVBC17368680
Dimethyl acetylenedicarboxylate
Leap Chem Co., Ltd
LC11163348
Dimethyl acetylenedicarboxylate
Carbone Scientific Co., Ltd.
CS17365208
Dimethyl acetylenedicarboxylate
Nebula Chemicals Co, Ltd.
NCC15506200
Dimethyl acetylenedicarboxylate
Hefei Hirisun Pharmatech Co., Ltd
HR130363
Dimethyl acetylenedicarboxylate
Skyrun Industrial Co., Ltd.
SI16745022
Dimethyl acetylenedicarboxylate
Purestar Chem Enterprise Co., Ltd.
PCE21088432
Dimethyl acetylenedicarboxylate
Hangzhou Zhongqi Chem Co., Ltd
HZC18607440
Dimethyl acetylenedicarboxylate
Haihang Industry Co., Ltd.
HI16124836
Dimethyl acetylenedicarboxylate
Synthon-Chemicals GmbH & Co. KG
ST02055
Dimethyl acetylenedicarboxylate
Quzhou Rundong Chemical Co., Ltd.
QRC20468184
Dimethyl acetylenedicarboxylate
Sancai Industry Co.,Ltd.
SIC14885952
Dimethyl acetylenedicarboxylate
Shanghai Worldyang Chemical Co., Ltd.
SWC22949176
Dimethyl acetylenedicarboxylate
Merck Schuchardt OHG
MSO12404960
Dimethyl acetylenedicarboxylate
Dayang Chem (Hangzhou) Co.,Ltd.
DC19227688
Dimethyl acetylenedicarboxylate
Manchester Organics Limited
C32364
Dimethyl Acetylenedicarboxylate
Ascender Chemical Co.,Ltd
ACC15506200
Dimethyl acetylenedicarboxylate
Xingrui Industry Co., Limited
XIL17987192
Dimethyl acetylenedicarboxylate
Shandong Minglang Chemical Co., Ltd
SMC21708680
Dimethyl acetylenedicarboxylate
Lori Industry Co., Ltd
LI13644092
Dimethyl acetylenedicarboxylate
Unilong Industry Co.,Ltd
UIC14885952
Dimethyl acetylenedicarboxylate
Gihi Chemicals Co., Limited
GCL16746696
Dimethyl acetylenedicarboxylate
Hangzhou Cherry Pharmaceutical Technology Co., Ltd.
HCPT316215810
Dimethyl acetylenedicarboxylate
Xiamen Equation Chemical Co.,Ltd
XECC19849920
Dimethyl acetylenedicarboxylate
Zehao Industry Co., Ltd.
ZI14884464
Dimethyl acetylenedicarboxylate
Wuhan PharmChem Co., LTD.
WP15504650
Dimethyl acetylenedicarboxylate
Chemlyte Solutions
CS11163348
dimethyl acetalene dicarboxillate
GM Chemsys
Gmc-sp074
But-2-ynedioic acid dimethyl ester
Hangzhou J&H Chemical Co., Ltd.
HJC527021080
But-2-ynedioic acid dimethyl ester
Haihang Industry Co., Ltd.
HI442013260
Dimethyl acetylenedicarboxylate, 95%
Alfa (A Johnson Matthey Company)
A23046912
Dimethyl acetylenedicarboxylate, 98%
Alfa (A Johnson Matthey Company)
A23046912
Acetylenedicarboxylic acid dimethyl ester
scienTEST - bioKEMIX GmbH
S-B410016400
Acetylenedicarboxylic acid dimethyl ester
CM Fine Chemicals
CFC278811152
Acetylenedicarboxylic acid dimethyl ester
Shanghai UCHEM Inc.
UCHEM-6014
Acetylenedicarboxylic acid dimethyl ester
Zhangjiagang Pharmabl Co., Ltd
ZP492014760
Acetylenedicarboxylic acid dimethyl ester
Haihang Industry Co., Ltd.
HI426412792
Acetylenedicarboxylic acid dimethyl ester
Minakem SAS
MS18045412

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Properties for 2-Butynedioic acid, dimethyl ester

Molecular Weight:
142.11 g·mol−1
Density:
1.156 g/mL at 25 °C(lit.)
Melting point:
-18 °C
Boiling point:
95-98 °C19 mm Hg(lit.)
Flash point:
187 ºF
Physical Description:
clear colorless to light yellow liquid
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Hazard Statements

GHS05

GHS05
Corrosive
  • Corrosive to metals, category 1
GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
    • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R22 - Harmful if swallowed
R34 - Causes burns
Safety Codes:
S23 - Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer)
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S27 - Take off immediately all contaminated clothing
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 label where possible)
Hazard Classes:
8
Hazard Symbols:
C
Hazard symbol C
RID/ADR certification :
UN 3265 8 / PG 2
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Alternative Distributors of [2-Butynedioic acid, dimethyl ester]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Davos Chemical Corp. | Spectrum Chemical Mfg. Corp. | Advance Scientific & Chemical, Inc. | Rongkang Industry Co.,Ltd - (NSTU Chemicals Hanggzhou Co.,) | China Risesun Group Co., Ltd. | ABCR GmbH & Co. KG | TCI Europe NV | ChengDu KaiXin Technology Development Co., Ltd. | Bona Chemical Co., Limited | Suzhou Rovathin Pharmatech Co., Ltd | Ruiyi Medical Co., Ltd. | Bichem Lab Co., Ltd. | Shanghai Hanhong Chemical Co., Ltd. | AOKBIO Co., Ltd. | Jinan Great Chemical Co., Ltd. | 3Way Pharm Inc. | East Chemical Industry Co., Ltd. | Zhejiang Kaili Industrial Co., Ltd. | Watson International Ltd | Yongyi Chemicals Group Co., Ltd. | BOC Sciences | Jinan Haohua Industry Co., Ltd. | Finetech Industry Limited | Suzhou Vosun Chemical Co.,Ltd. | Pfaltz & Bauer, Inc. | Xiamen Hisunny Chemical Co., Ltd. | Shanghai Massive Chemical Technology Co., Ltd. | Agilebiochem Co., Ltd | Gihi Chemicals Co., Limited

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