Cap B

Sigma-Aldrich Inc

Revision date : 2026-07-15

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GHS02 GHS08 GHS05 GHS07
Health risk rating 4
Safety risk rating 3
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

109-99-9

Name of the chemical

Tetrahydrofuran (618/2012)

Concentration

>=80-<=100

EC/CAS

616-47-7

Name of the chemical

1-methylimidazole

Concentration

>=7-<=13

Listed in

General Information

Version

8.16

Revision date

2026-07-15

Product name

Cap B

1.2.1 Relevant identified uses

Laboratory chemicals, Synthesis of substances

Emergency telephone

800-424-9300, +1-703- 527-3887

Icons in SDS

GHS02 GHS05 GHS07 GHS08 M004 M009 M010 M011

Company Information

company name

Sigma-Aldrich Inc

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H225, H302+H312, H314, H336, H351, H361

Hazard statements

Code

Statements

H225

Highly Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

Other hazards

May form explosive peroxides

Signal word

Danger

Hazard statements

H225 Highly flammable liquid and vapour. H302 + H312 Harmful if swallowed or in contact with skin. H314 Causes severe skin burns and eye damage. H336 May cause drowsiness or dizziness. H351 Suspected of causing cancer. H361 Suspected of damaging fertility or the unborn child.

Supplemental label elements

Corrosive to the respiratory tract.

Prevention

P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof electrical/ ventilating/ lighting P242 Use non-sparking tools. P243 Take action to prevent static discharges. P261 Avoid breathing mist or vapours. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.

Response

P301 + P330 + P331 + P310 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Immediately call a POISON CENTER/ doctor. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P362 + P364 Take off contaminated clothing and wash it before reuse. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.

Storage

P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.

Disposal

P501 Dispose of contents/ container to an approved waste disposal plant.

2.1 Classification of the substance or mixture

(29 CFR 1910.1200) Hazards for the product as supplied Flammable liquids : Category 2 Acute toxicity (Oral) : Category 4 Acute toxicity (Dermal) : Category 4 Skin corrosion : Sub-category 1B Serious eye damage : Category 1 Carcinogenicity : Category 2 Reproductive toxicity : Category 2 Specific target organ : Category 3 (Central nervous system) toxicity - single exposure Other hazards May form explosive peroxides.

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