Methyl Isothiocyanate

98% For Laboratory Use
CAS Number
556-61-6
HSN Code
29309090
Molecular Formula
C2H3NS
Catalogue Number
AL3077
Purity
≥ 98%
Molecular Weight
73.12 g/mol

Complies with : IP | BP | USP | EP | ACS

ISO 9001 ISO 14001 GMP COA with every batch

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Key Properties

Appearance Colorless crystals
Shelf Life -
Packaging Available in: 10 gm glass bottle, 25 gm glass bottle
Storage Store only in closed original container to prevent leakage. Store only in cool, well-ventilated, locked areas, away form food and feedstuff, out of reach of children and irresponsible persons.

Methyl isothiocyanate is an isothiocyanate having a methyl group attached to the nitrogen. It is also the active nematicide of the pronematicide metam-sodium.

Also known as MITC.

Catalogue No.
AL3077
CAS Number
556-61-6
Molecular Formula
C2H3NS
Molecular Weight
73.12 g/mol
HSN Code
29309090
Grade
98%
Product Form
Substance

Melting point: 36 °C; Boiling point: 119 °C; Flash point: 95 °F (35 °C) (closed cup); Density: 1.0691 at 37 °C/4 °C.

Appearance
Colorless crystals
Shelf Life
-
Packaging
Available in: 10 gm glass bottle, 25 gm glass bottle
Storage
Store only in closed original container to prevent leakage. Store only in cool, well-ventilated, locked areas, away form food and feedstuff, out of reach of children and irresponsible persons.

1.1 — Product identifier

Chemical Name
Methyl Isothiocyanate
Catalogue No.
AL3077
Product form
Substance
CAS Number
556-61-6
EC Number
209-132-5
Grade
98%
EC Index Number
613-059-00-0
Chemical Formula
C2H3NS
HSN Code
29309090
Synonyms
MITC

1.2 — Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture
Soil fumigant and pesticide intermediate
Uses advised against
Not specified

1.3 — Details of the supplier of the safety data sheet

Company identification
Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.

1.4 — Emergency Contact Details

Phone / e-Mail
Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in

2.1 — Classification of the substance or mixture

Classification according to Regulation (EC) No 1272/2008
Acute Tox. 3; Acute Tox. 2; Skin Corr. 1B; Skin Sens. 1; Eye Dam. 1; STOT SE 3; Aquatic Acute 1; Aquatic Chronic 1
Classification source
ECHA C&L Inventory via PubChem CID 11167 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements

2.2 — Label elements

Hazard pictograms
Corrosive, Acute Toxic, Environmental Hazard
Signal word
Danger
Hazard statements
H301: Toxic if swallowed; H310+H330: Fatal in contact with skin or if inhaled; H310: Fatal in contact with skin; H314: Causes severe skin burns and eye damage; H317: May cause an allergic skin reaction; H318: Causes serious eye damage; H330: Fatal if inhaled; H335: May cause respiratory irritation; H400: Very toxic to aquatic life; H410: Very toxic to aquatic life with long lasting effects
Precautionary statements
P260, P261, P262, P264, P264+P265, P270, P271, P272, P273, P280, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P320, P321, P330, P333+P317, P361+P364, P362+P364, P363, P391, P403+P233, P405, P501

2.3 — Other hazards

Other hazards
Highly toxic and flammable; may cause respiratory irritation.

3.1 — Substance

Name
Methyl Isothiocyanate
CAS No.
556-61-6

4.1 — Description of first aid measures

First-aid measures after inhalation
Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
First-aid measures after skin contact
Remove contaminated clothing and wash skin thoroughly with soap and water. Seek medical attention if irritation persists.
First-aid measures after eye contact
Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and seek medical attention.
First-aid measures after ingestion
Do not induce vomiting. Rinse mouth and seek medical attention immediately.

4.2 — Most important symptoms and effects, both acute and delayed

Symptoms relating to use
Symptoms of exposure may include respiratory distress, skin irritation, and eye irritation.

4.3 — Indication of any immediate medical attention and special treatment needed

General information
Treat symptomatically. Show this safety data sheet to the treating physician.

5.1 — Extinguishing media

Suitable extinguishing media
Water spray, carbon dioxide, dry chemical powder, foam.
Unsuitable extinguishing media
Not specified

5.2 — Special hazards arising from the substance or mixture

Special procedures
Highly flammable; may produce toxic gases in a fire.

5.3 — Advice for firefighters

Protection during firefighting
Do not enter fire area without proper protective equipment, including respiratory protection.

6.1.1 — For non-emergency personnel

Emergency procedures
Evacuate area and ventilate. Wear appropriate protective equipment. Contain and absorb spill with inert material.

6.3 — Methods and material for containment and cleaning up

Methods for cleaning up
Collect spillage and dispose of in accordance with local regulations.

6.4 — Reference to other sections

Reference
Not specified

7.1 — Precautions for safe handling

Precautions for safe handling
Handle with strict personal protective equipment (PPE) in a fume hood. Avoid contact with skin and eyes.
Hygiene measures
Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.

7.2 — Conditions for safe storage, including any incompatibilities

Storage conditions
Store only in closed original container to prevent leakage. Store only in cool, well-ventilated, locked areas, away form food and feedstuff, out of reach of children and irresponsible persons.

8.2 — Exposure controls

Hand protection
Protective gloves (e.g. nitrile rubber)
Eye protection
Chemical safety goggles or safety glasses
Skin and body protection
Wear suitable protective clothing
Respiratory protection
Use appropriate respiratory protection when handling this substance.

9.1 — Information on basic physical and chemical properties

Physical state
Liquid
Colour
White to pale yellow
Odour
Horseradish-like odor
Odour threshold
Not specified
pH value
Not applicable
Relative evaporation rate (butylacetate=1)
Not specified
Melting point
36 °C
Freezing point
Not specified
Boiling point
119 °C
Flash point
95 °F (35 °C) (closed cup).
Auto-ignition temperature
Not specified
Decomposition temperature
Not specified
Flammability (solid, gas)
Highly flammable
Vapour pressure
3.54 mm Hg at 25 °C
Relative vapour density at 20°C
2.53 (Air = 1)
Density
1.0691 at 37 °C/4 °C
Solubility
Soluble in water and organic solvents
Log Pow
0.94
Viscosity, kinematic
Not specified
Viscosity, dynamic
Not specified
Explosive properties
Not explosive
Oxidising properties
Not oxidizing
Explosive limits
Not specified

10.1 — Reactivity

Reactivity
Reacts violently with strong oxidizers and bases.

10.2 — Chemical stability

Chemical stability
Stable under recommended storage conditions.

10.3 — Possibility of hazardous reactions

Possibility of hazardous reactions
No dangerous reactions known under normal conditions of use.

10.4 — Conditions to avoid

Conditions to avoid
Avoid contact with incompatible materials and excessive heat.

10.5 — Incompatible materials

Incompatible materials
Strong oxidizing agents, strong bases, and acids.

10.6 — Hazardous decomposition products

Hazardous decomposition products
When heated to decomposition it emits very toxic fumes of nitrogen oxides & sulfur oxides.

11.1 — Information on toxicological effects

Acute toxicity
LD50 Mouse oral 97 mg/kg; LD50 Mouse skin 2780 mg/kg; LD50 Mouse male percutaneous 1870 mg/kg
Skin corrosion/irritation
H314: Causes severe skin burns and eye damage
Serious eye damage/irritation
H318: Causes serious eye damage
Respiratory or skin sensitisation
H317: May cause an allergic skin reaction
Germ cell mutagenicity
Not classified (based on available data)
Carcinogenicity
Not classified (based on available data)
Specific target organ toxicity (single exposure)
H335: May cause respiratory irritation
Specific target organ toxicity (repeated exposure)
Not classified (based on available data)

12.1 — Toxicity

Toxicity information
Not specified

12.2 — Persistence - degradability

Persistence - degradability
Not specified

12.3 — Bioaccumulative potential

Bioaccumulative potential
Not specified

12.4 — Mobility in soil

Mobility in soil
Not specified

12.6 — Other adverse effects

Environmental precautions
Not specified

13.1 — Waste treatment methods

Additional Info
Dispose of contents/container in accordance with local, regional, national and international regulations.

14.1 — UN number

UN-No. (ADR)
UN 2477
UN-No. (IMDG)
UN 2477
UN-No. (IATA)
UN 2477
UN-No. (ADN)
UN 2477
UN-No. (RID)
UN 2477

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Methyl isothiocyanate
Proper Shipping Name (IMDG)
Methyl isothiocyanate
Proper Shipping Name (IATA)
Methyl isothiocyanate
Proper Shipping Name (ADN)
Methyl isothiocyanate
Proper Shipping Name (RID)
Methyl isothiocyanate

14.3 — Transport hazard class(es)

Transport hazard class(es)
6.1 (3)

14.4 — Packing group

Packing group (ADR)
I
Packing group (IMDG)
I
Packing group (IATA)
I
Packing group (ADN)
I
Packing group (RID)
I

14.5 — Environmental hazards

Dangerous for the environment
Not specified
Marine pollutant
Not specified
Other information
No supplementary information available

15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture

15.1.1 EU-Regulations
Not specified

Methyl isothiocyanate is primarily used as a reference compound in soil-fumigant and agrochemical intermediate research, and it is subject to strict exposure controls due to its high toxicity.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL1024C
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
73.12 g/mol
Test Standard Observed
Assay Purity ≥ 98% 98.5%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
Related Substances None detected None detected
Solubility Soluble in water and organic solvents Soluble in both

The above product is expected to comply with 98% grade specification.

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
98% ≥ 98% m.p. 36 °C; b.p. 119 °C ≤ 0.5% ≤ 0.1% None detected Soluble in water and organic solvents
View full Technical Data Sheet

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