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TRIMETHYLSILYL ISOTHIOCYANATE

TRIMETHYLSILYL ISOTHIOCYANATE Structure
CAS No.
2290-65-5
Chemical Name:
TRIMETHYLSILYL ISOTHIOCYANATE
Synonyms
ISOTHIOCYANATOTRIMETHYLSILANE;TRIMETHYLSILYL ISOTHIOCYANATE;isothiocyanatotrimethyl-silan;Trimethylsilylisothiocyanate,94%;Silane, isothiocyanatotrimethyl-;Trimethylsilyl isothiocyanate,97%;(TriMethylsilyl)isothiocyanate 99%
CBNumber:
CB2460765
Molecular Formula:
C4H9NSSi
Molecular Weight:
131.27
MOL File:
2290-65-5.mol
Modify Date:
2023/5/9 9:30:36

TRIMETHYLSILYL ISOTHIOCYANATE Properties

Melting point −32.8 °C(lit.)
Boiling point 143 °C(lit.)
Density 0.931 g/mL at 25 °C(lit.)
vapor density >1 (vs air)
refractive index n20/D 1.482(lit.)
Flash point 95 °F
storage temp. 2-8°C
form liquid
Specific Gravity 0.931
Water Solubility Reacts with water.
Sensitive Moisture Sensitive
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
BRN 1745262
InChIKey XLTUPERVRFLGLJ-UHFFFAOYSA-N
CAS DataBase Reference 2290-65-5(CAS DataBase Reference)
EPA Substance Registry System Isothiocyanatotrimethylsilane (2290-65-5)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02,GHS06,GHS08
Signal word  Danger
Hazard statements  H226-H301+H311+H331-H315-H319-H334-H335
Precautionary statements  P210-P280-P301+P310-P303+P361+P353-P304+P340+P311-P305+P351+P338
Hazard Codes  T
Risk Statements  10-23/24/25-36/37/38-42
Safety Statements  23-26-36/37-45
RIDADR  UN 1992 3/PG 3
WGK Germany  3
10-19-21
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29319090
NFPA 704
2
3 0

TRIMETHYLSILYL ISOTHIOCYANATE price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 230766 (Trimethylsilyl)isothiocyanate 99% 2290-65-5 10G ₹3030 2022-06-14 Buy
Sigma-Aldrich(India) 230766 (Trimethylsilyl)isothiocyanate 99% 2290-65-5 50G ₹12090 2022-06-14 Buy
ALFA India ALF-L03277-14 Trimethylsilyl isothiocyanate, 94% 2290-65-5 25g ₹7553 2022-05-26 Buy
ALFA India ALF-L03277-06 Trimethylsilyl isothiocyanate, 94% 2290-65-5 5g ₹2379 2022-05-26 Buy
Product number Packaging Price Buy
230766 10G ₹3030 Buy
230766 50G ₹12090 Buy
ALF-L03277-14 25g ₹7553 Buy
ALF-L03277-06 5g ₹2379 Buy

TRIMETHYLSILYL ISOTHIOCYANATE Chemical Properties,Uses,Production

Chemical Properties

clear colorless to light yellow liquid

Uses

Trimethylsilyl isothiocyanate is used as derivatizing reagent during the synthesis of amino acid thiohydantoins. It participates in ring opening reaction of N-substituted aziridines and cyclohexene oxide.

General Description

Trimethylsilyl isothiocyanate (TMS-ITC) reacts with fullerene-mixed peroxide C60(O)(OOtBu)4 to yield isothiocyanate derivative C60(NCS)(OH)(OOtBu)4. TMS-ITC undergoes condensation with ethyl 2-benzylamino-5-methyl-3-phenylcyclopent-1-enecarboxylate to yield 1-benzyl-5-methyl-7-phenyl-2-thioxo-1,2,3,5,6,7-hexahydrocyclopentapyrimidin-4-one. It participates in ring opening reaction of N-substituted aziridines and cyclohexene oxide.

Purification Methods

The 1H NMR spectrum should have only one peak; if not purify it by repeated fractionation in an all-glass system using a 50cm (4mm internal diameter) column without packing. [Anderson J Am Chem Soc 69 3049 1947, Fehér & Blümcke Chem Ber 90 1934 1957, Neidleim & Hege Synthesis 51 1975, Beilstein 4 III 1861, 4 IV 4011.]

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isothiocyanatotrimethyl-silan Silane, isothiocyanatotrimethyl- TRIMETHYLSILYL ISOTHIOCYANATE Trimethylsilylisothiocyanate,94% Trimethylsilyl isothiocyanate,97% (TriMethylsilyl)isothiocyanate 99% ISOTHIOCYANATOTRIMETHYLSILANE 2290-65-5 C4H9NSSi CH33SiNCS Building Blocks Sulfur Compounds Thiocyanates/Isothiocyanates Organic Building Blocks