Note: Ingredients listed on restricted chemical lists
General Information
Revision date
2026-06-29
Product name
Cap A (1-Methylimidazole in Acetonitrile, 2:8)
Product Synonyms
Capping Solution
CAS No.
75-05-8
Emergency telephone
1-800-535-5053, 1-352-323-3500
Icons in SDS
Company Information
company name
Lab Alley, LLC
GHS Information
Signal word
Danger!
Hazard Codes
Hazard statements (CLP)
H225, H302, H302+H331, H311, H314, H318, H331
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture
Signal word
Danger!
Hazard statements
H225 – Highly flammable liquid and vapor. H302 + H331 – Harmful if swallowed or if inhaled. H311 – Toxic in contact with skin H314 – Causes severe skin burns and eye damage. H318 – Causes serious eye damage.
Precautionary statements
P210 – Keep away from heat/sparks/open flames/hot surfaces. – No smoking. P280 – Wear protective gloves/clothing/eye protection/face protection. P284 – Wear respiratory protection. P301+P312 – IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. P303+P361+P353 – If on skin or hair: Remove/take off immediately all contaminated clothing. Rinse skin with water/shower. P304+P341 – If inhaled: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. P305+P351+P338 – IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P403+P235 – Store in a well-ventilated place. Keep cool. P501 – Dispose of contents/ container to an approved waste disposal plant.
2.3 Other hazards
May be fatal if swallowed, inhaled, or absorbed through the skin. Readily absorbs through the skin. Affects cardiovascular system, central nervous system, liver, and kidneys. Causes burns and severe irritation to the eyes, skin, and respiratory tract. May metabolize to cyanide in the body. Highly flammable liquid and vapor. Flammable liquid and vapor (GHS Category 2).
2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Flammable Liquids: GHS Category 2, H225 Acute Toxicity (oral): GHS Category 4, H302 Acute Toxicity (inhalation): GHS Category 3, H331 Acute Toxicity (dermal): GHS Category 3, H311 Skin corrosion: GHS Category 1B, H314 Serious Eye Damage: GHS Category 1, H318
