ChemicalBook > CAS DataBase List > TRIMETHYLSULFONIUM HYDROXIDE

TRIMETHYLSULFONIUM HYDROXIDE

Product Name
TRIMETHYLSULFONIUM HYDROXIDE
CAS No.
17287-03-5
Chemical Name
TRIMETHYLSULFONIUM HYDROXIDE
Synonyms
TMSH;~0.25 TRIMETHYLSULFONIUM HYDROXIDE;trimethylsulphonium hydroxide;trimethylsulfonium hydrox. sol.;TriMethylsulfoniuM Hydroxide Trimethylsulfonium hydroxide solution;0.2molmethanolsolution,methylatingreagent;Trimethylsulfonium hydroxide solution,TMSH;(0.2Mol/L in Methanol) [Methylating Reagent]
CBNumber
CB1421127
Molecular Formula
C3H10OS
Formula Weight
94.18
MOL File
17287-03-5.mol
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TRIMETHYLSULFONIUM HYDROXIDE Property

Density 
0.81
Flash point:
11 °C
storage temp. 
2-8°C
solubility 
soluble in Methanol
form 
Liquid
color 
Clear colorless
BRN 
3910286
CAS DataBase Reference
17287-03-5
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Safety

Hazard Codes 
F,T
Risk Statements 
11-23/24/25-34-39/23/24/25
Safety Statements 
26-36/37/39-45-36/37-16-7
RIDADR 
UN 3286 3/PG 2
WGK Germany 
2
F 
3-4.4-10-21-34
HazardClass 
3/8
PackingGroup 
II
HS Code 
29309090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H301Toxic if swalloed

H311Toxic in contact with skin

H314Causes severe skin burns and eye damage

H315Causes skin irritation

H319Causes serious eye irritation

H331Toxic if inhaled

H335May cause respiratory irritation

H336May cause drowsiness or dizziness

H360May damage fertility or the unborn child

H370Causes damage to organs

H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P307+P311IF exposed: call a POISON CENTER or doctor/physician.

P311Call a POISON CENTER or doctor/physician.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
92732
Product name
Trimethylsulfonium hydroxide solution
Purity
~0.25M in methanol, for GC derivatization
Packaging
10x1ml
Price
$387
Updated
2025/07/31
TCI Chemical
Product number
T1576
Product name
Trimethylsulfonium Hydroxide (0.2mol/L in Methanol)[Methylating Reagent]
Packaging
5mL
Price
$84
Updated
2025/07/31
TCI Chemical
Product number
T1576
Product name
Trimethylsulfonium Hydroxide (0.2mol/L in Methanol)[Methylating Reagent]
Packaging
25mL
Price
$236
Updated
2025/07/31
TRC
Product number
T797000
Product name
TrimethylsulfoniumHydroxide(0.2mol/LinMethanol)
Packaging
10ml
Price
$475
Updated
2021/12/16
TRC
Product number
T797000
Product name
TrimethylsulfoniumHydroxide(0.2mol/LinMethanol)
Packaging
1ml
Price
$110
Updated
2021/12/16
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TRIMETHYLSULFONIUM HYDROXIDE Chemical Properties,Usage,Production

Chemical Properties

Clear colorless solution

Uses

Trimethylsulfonium Hydroxide is a methylating agent. It provides rapid derivatization of acids for GC by pre-column transesterification of glycerides.

reaction suitability

reagent type: derivatization reagent
reaction type: Alkylations

TRIMETHYLSULFONIUM HYDROXIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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TRIMETHYLSULFONIUM HYDROXIDE Suppliers

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17287-03-5, TRIMETHYLSULFONIUM HYDROXIDERelated Search:

S-ADENOSYL-L-METHIONINE S-(Trifluoromethyl)dibenzothiophenium trifluoromethanesulfonate TRIMETHYLSULFONIUM METHYL SULFATE S-Adenosyl-L-methionine tosylate Glyphosphate-trimesium TRIMETHYLSULFONIUM HYDROXIDE Suplatast tosilate S-Adenosyl-L-methionine Disulfate Tosylate Bleomycin S-Adenosyl-L-methionine S-Adenosyl-5'-L-methionineSulfate,p-Toluenesulfonate S-(TRIFLUOROMETHYL)-3,7-DINITRODIBENZOTHIOPHENIUM TRIFLUOROMETHANESULFONATE S-(TRIFLUOROMETHYL)DIBENZOTHIOPHENIUM-3-SULFONATE S-ADENOSYL-L-METHIONINE, [METHYL-14C] DIMETHYL(2-HYDROXY-5-NITROBENZYL)SULFONIUM BROMIDE S-ADENOSYL-L-METHIONINE DISULFATE TOSYLATE ADENOSYL-L-METHIONINE, S-[CARBOXYL-14C] S-(N-PERFLUOROOCTYL)DIBENZOTHIOPHENIUM TRIFLUORO-METHANESULFONATE DISCONTINUED 03/08/01

  • trimethylsulphonium hydroxide
  • TRIMETHYLSULFONIUM HYDROXIDE, 0.2MOL/L METHANOL SOLUTION
  • Trimethylsulfonium Hydroxide (0.2mol/L in Methanol) [Methylating Reagent]
  • trimethylsulfonium hydrox. sol.
  • TRIMETHYLSULFONIUM HYDROX. SOL., ~0.25 M IN MEOH, 10X1 ML
  • 0.2molmethanolsolution,methylatingreagent
  • Trimethylsulfonium hydroxide, 0.25M solution in methanol
  • Trimethylsulfonium Hydroxide(0.2mol/L in Methanol)
  • Trimethylsulfonium hydroxide solution,TMSH
  • (0.2Mol/L in Methanol) [Methylating Reagent]
  • TriMethylsulfoniuM Hydroxide&nbsp
  • TriMethylsulfoniuM hydroxide, 0.25 M solution in MeOH
  • TRIMETHYLSULFONIUM HYDROXIDE
  • TMSH
  • Trimethylsulfonium hydroxide solution
  • ~0.25&#160
  • M in methanol, for GC derivatization, LiChropur<SUP>&#8482
  • 17287-03-5
  • C3H9SHO
  • CH33SOH
  • C3H10OS
  • C3H9SOH
  • Alkylation
  • Sulfonium Compounds
  • Esterification & Alkylation (GC Derivatizing Reagents)
  • GC Derivatizing Reagents
  • Onium Hydroxides (GC Derivatizing Reagents)
  • Iodonium Sulfonium & Oxonium Compounds
  • Analytical Chemistry
  • Esterification & Alkylation (GC Derivatizing Reagents)
  • GC Derivatizing Reagents
  • Iodonium Sulfonium & Oxonium Compounds
  • Onium Hydroxides (GC Derivatizing Reagents)
  • Sulfonium Compounds