Note: Ingredients listed on restricted chemical lists
General Information
Version
ACR20088
Revision date
2026-07-16
Product name
Pyridinium dichromate
Product Synonyms
PDC
CAS No.
20039-37-6
supplier name
Fisher Scientific UK
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
Fisher Scientific UK
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)
H228, H314, H317, H350i, H410
Hazard statements
Code
Statements
H228
Flammable solid
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Amber No information available Emergency Overview Flammable solid. Causes severe skin burns and eye damage. May cause an allergic skin reaction. May cause cancer by inhalation. Very toxic to aquatic life with long lasting effects. Hygroscopic. Classification of the substance or mixture Flammable solids Category 1 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Carcinogenicity Category 1B Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1 Label Elements
Signal word
Danger Hazard Statements H228 - Flammable solid H314 - Causes severe skin burns and eye damage H317 - May cause an allergic skin reaction H350i - May cause cancer by inhalation H410 - Very toxic to aquatic life with long lasting effects
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 P240 - Ground and bond container and receiving equipment P264 - Wash face, hands and any exposed skin thoroughly after handling P271 - Use only outdoors or in a well-ventilated area P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P301 + P330 + P331 - IF SWALLOWED: rinse mouth. Do NOT induce vomiting P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep 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 P310 - Immediately call a POISON CENTER or doctor P363 - Wash contaminated clothing 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
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Combustible material. Hygroscopic.
Health hazards
Corrosive. Causes skin and eye burns. May cause an allergic skin reaction. May cause cancer by inhalation.
Environmental hazards
Very toxic to aquatic life with long lasting effects. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Flammable solids. Category 1 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Carcinogenicity Category 1B Acute aquatic toxicity Category 1 Chronic aquatic toxicity