Methyl Isothiocyanate

Name: Methyl Isothiocyanate
Brand: Vaqora Chemicals
SKU: VQ-010895

About Methyl Isothiocyanate

Methyl Isothiocyanate is an organosulfur compound carrying the CAS registry number 556-61-6. The compound has the formula C2H3NS, corresponding to a molecular weight of 73.12 g/mol. The IUPAC name is methylimino(sulfanylidene)methane. Common synonyms include Isothiocyanato-methane and Isothiocyanic Acid Methyl Ester.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Methyl Isothiocyanate is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl Isothiocyanate
Catalogue No.	VQ-010895
CAS Number	556-61-6
IUPAC name	methylimino(sulfanylidene)methane
Molecular formula	C₂H₃NS
Molecular weight	73.12 g/mol
Exact mass	72.9986
Grade	Reference Standard
InChIKey	LGDSHSYDSCRFAB-UHFFFAOYSA-N
SMILES	CN=C=S
PubChem CID	11167

Physical properties
Physical form	Other
LogP (XLogP3)	0.9
H-bond donors / acceptors	0 / 2
TPSA	44.5 Å²
Synonyms	Isothiocyanato-methane, Isothiocyanic Acid Methyl Ester, Capparin, Isothiocyanatomethane, Isothocyanatomethane, MIT, Methyl Isothiocyanide, Methyl Mustard, Methyl Mustard Oil, Methyl Thioisocyanate, Morton EP-161E, Trapex

Safety & hazard information (GHS)

Corrosive

Toxic

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H331Toxic if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P264, P270, P271, P272, P273, P280, P301 + P316, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P330, P333 + P317, P362 + P364, P363, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 556-61-6

Methyl isothiocyanate, 97%

CAS: 556-61-6
Formula: C₂H₃NS
MW: 73.12 g/mol

VQ-019273

Frequently asked questions

What is the CAS number of Methyl Isothiocyanate?

The CAS Registry Number of Methyl Isothiocyanate is 556-61-6. It is also known as Isothiocyanato-methane, Isothiocyanic Acid Methyl Ester, Capparin.

What is the molecular formula and molecular weight of Methyl Isothiocyanate?

Methyl Isothiocyanate has the molecular formula C2H3NS and a molecular weight of 73.12 g/mol. Its IUPAC name is methylimino(sulfanylidene)methane.

Which grade and pack sizes of Methyl Isothiocyanate can I order?

We supply Methyl Isothiocyanate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl Isothiocyanate?

Yes. Every lot of Methyl Isothiocyanate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methyl Isothiocyanate be shipped internationally?

Yes. Methyl Isothiocyanate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.