Note: Ingredients listed on restricted chemical lists
EC/CAS
83-56-7
Name of the chemical
Naphthalene-1,5-diol
Concentration
>95
General Information
Version
4
Revision date
2025-12-21
Product name
1,5-Dihydroxynaphthalene
Product Synonyms
1,5-Naphthalenediol
CAS No.
83-56-7
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Thermo Fisher Scientific Chemicals, Inc
GHS Information
Signal word
Warning
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Warning Hazard Statements Harmful if swallowed May cause an allergic skin reaction Causes serious eye irritation
Prevention
Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Avoid breathing dust/fume/gas/mist/vapors/spray Contaminated work clothing should not be allowed out of the workplace Wear protective gloves/protective clothing/eye protection/face protection Skin IF ON SKIN: Wash with plenty of soap and water If skin irritation or rash occurs: Get medical advice/attention Take off contaminated clothing and wash before reuse Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If eye irritation persists: Get medical advice/attention Ingestion IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell Rinse mouth
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
Toxic to aquatic life with long lasting effects
2.1 Classification of the substance or mixture
This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Acute oral toxicity Category 4 Serious Eye Damage/Eye Irritation Category 2 Skin Sensitization
