General Information
Version
5
Revision date
2026-07-22
Product name
12-Crown-4
Product Synonyms
1,4,7,10-Tetraoxacyclododecane
CAS No.
294-93-9
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H303, H313, H330
Hazard statements
Code
Statements
H303
May be harmful if swallowed
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Light yellow No information available Emergency Overview May be harmful if swallowed. May be harmful in contact with skin. Fatal if inhaled. Sensitivity to light. Classification of the substance or mixture Acute Oral Toxicity Category 5 Acute Dermal Toxicity Category 5 Acute Inhalation Toxicity - Vapors Category 1
Signal word
Danger
Hazard statements
H303 - May be harmful if swallowed H313 - May be harmful in contact with skin H330 - Fatal if inhaled
Prevention
P260 - Do not breathe dust/fume/gas/mist/vapors/spray P280 - Wear protective gloves P284 - Wear respiratory protection P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area
Response
P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P310 - Immediately call a POISON CENTER or doctor
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P405 - Store locked up
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
None identified.
Health hazards
May be harmful if swallowed. May be harmful in contact with skin. Fatal if inhaled.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Acute Oral Toxicity Category 5 Acute Dermal Toxicity Category 5 Acute Inhalation Toxicity - Vapors