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4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER

CAS No.
117968-51-1
Chemical Name:
4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER
Synonyms
Methyl 4-((tert-butyldiMethylsilyl)oxy)but-2-ynoate;METHYL 4-TERT-BUTYLDIMETHYLSILYLOXY-2-BUTYNOATE;4-[tert-butyl(dimethyl)silyl]oxy-2-butynoic acid methyl ester;4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER;4-(1-tert-butyl-1,1-dimethyl)siliconoxy-butyl-2-yneacidmethyl ester;2-Butynoic acid, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, methyl ester;4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER ISO 9001:2015 REACH
CBNumber:
CB5679548
Molecular Formula:
C11H20O3Si
Molecular Weight:
228.36
MDL Number:
MFCD06658479
MOL File:
117968-51-1.mol
MSDS File:
SDS
Last updated:2026-05-28 01:24:34
Product description Number Pack Size Price
METHYL 4-{[TERT-BUTYL(DIMETHYL)SILYL]OXY}-2-BUTYNOATE AldrichCPR T271004 1 unit $32.7
METHYL 4-{[TERT-BUTYL(DIMETHYL)SILYL]OXY}-2-BUTYNOATE AldrichCPR T271004 5MG $29.8
Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate 309624 250.00mg $60
Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate 309624 1.00g $160
Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate 309624 5.00g $687

4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER Properties

Boiling point 252.7±23.0 °C(Predicted)
Density 0.955±0.06 g/cm3(Predicted)
storage temp. Storage temp. 2-8°C
Appearance Colorless to light yellow Liquid

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER price More Price(42)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T271004 METHYL 4-{[TERT-BUTYL(DIMETHYL)SILYL]OXY}-2-BUTYNOATE AldrichCPR 117968-51-1 1 unit $32.7 2026-04-30 Buy
Sigma-Aldrich T271004 METHYL 4-{[TERT-BUTYL(DIMETHYL)SILYL]OXY}-2-BUTYNOATE AldrichCPR 117968-51-1 5MG $29.8 2024-03-01 Buy
Matrix Scientific 309624 Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate 117968-51-1 250.00mg $60 2026-05-19 Buy
Matrix Scientific 309624 Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate 117968-51-1 1.00g $160 2026-05-19 Buy
Matrix Scientific 309624 Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate 117968-51-1 5.00g $687 2026-05-19 Buy
Product number Packaging Price Buy
T271004 1 unit $32.7 Buy
T271004 5MG $29.8 Buy
309624 250.00mg $60 Buy
309624 1.00g $160 Buy
309624 5.00g $687 Buy

4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER Preparation Products And Raw materials

Raw materials

Preparation Products

4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER Suppliers

Global( 30)Suppliers
Supplier Tel Email Country ProdList Advantage
Dideu Industries Group Limited
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Alfa Chemistry
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Shanghai Zhuangming Biopharma Co., Ltd.
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SHANGHAI YOUNG-CHEM CHEMICAL CO., LTD.
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Amadis Chemical Company Limited
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SynAsst Chemical. 021-60343070 China 12740 55
JW & Y Pharmlab Co., Ltd. 021-64340559 13651849907; xinyu_shi@jwypharmlab.com.cn China 11999 58
Shanghai Carlow Chemicals Co., Ltd. 21-33526724 18930996265 info@carlowchem.com China 1854 50
Shanghai zhigan biotechnology co., LTD zhiqianbio@126.com China 19778 58
Shanghai Songfan Pharmaceutical Technology Co., Ltd. 17321241880 485229790@qq.com China 1745 58

4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER Spectrum

4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER METHYL 4-TERT-BUTYLDIMETHYLSILYLOXY-2-BUTYNOATE 2-Butynoic acid, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, methyl ester 4-[tert-butyl(dimethyl)silyl]oxy-2-butynoic acid methyl ester 4-(TERT-BUTYL-DIMETHYL-SILANYLOXY)-BUT-2-YNOIC ACID METHYL ESTER ISO 9001:2015 REACH 4-(1-tert-butyl-1,1-dimethyl)siliconoxy-butyl-2-yneacidmethyl ester Methyl 4-((tert-butyldiMethylsilyl)oxy)but-2-ynoate 117968-51-1 C11H20O3Si