Note: Ingredients listed on restricted chemical lists
EC/CAS
19408-74-3
Name of the chemical
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin
Concentration
TWA
General Information
Revision date
2026-03-24
Product name
D-605N
CAS No.
19408-74-3
1.2.1 Relevant identified uses
Laboratory Chemical Reference Material
supplier name
AccuStandard, Inc
Emergency telephone
1-203-502-7070, +001-203-502-7070
Icons in SDS
Company Information
company name
AccuStandard, Inc
e-mail address of the competent person responsible for the Safety Data Sheet
edocs@accustandard.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301, H310, H315, H319, H332, H335, H350, H372, H400
Hazard statements
Code
Statements
H301
Toxic if swallowed
Section 2
SECTION 2: Hazards identification
2.2 Label elements
0 3 HEALTH 3 0 FLAMMABILITY 0 - continued Precautionary Codes: P202 - This product should only by used by persons trained in the safe handling of hazardous chemicals. P233 - Store in a tightly closed container. (P404) P235 - Store in a cool dry place. P262 - Do not get in eyes, on skin or clothing. P264 - Wash thoroughly after handling. Do not take internally. Eye wash and safety equipment should be readily available. P280 - Protective gloves must be worn to prevent skin contact. P284 - Respiratory Protection: If workplace exposure limit(s) of product or any component is exceeded (see TLV/PEL), or a risk assessment shows air-purifying respirators are appropriate, use of a NIOSH/MSHA approved air supplied respirator is advised. Use a full-face respirator with multi-purpose combination (US) or type ABEK (EN14387) respirator cartridges in absence of proper environmental control. Always use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Engineering and/or administrative controls should be implemented to reduce exposure. P338 - Eye contact: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. P360 - Skin contact: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical attention if symptoms occur. Wash clothing before reuse.
Signal word
Danger
Hazard statements
H301 - Toxic if swallowed. (Acute toxicity, oral, category 3) H310 - Fatal in contact with skin. (dermal, category 1) H315 - Irritating to skin. (Skin corrosion/irritation, category 2) H319 - Causes severe eye irritation. (Eye damage/irritation, category 2A) H332 - Harmful if inhaled. (Acute toxicity, inhalation, category 4) H335 - May be irritating to mucous membrane and upper respiratory system. (Specific target organ toxicity, single exposure; Respiratory tract irritation, category 3) H350 - Possible cancer hazard. (Carcinogenicity, category 1B) H372 - Risk of serious effects to health in cases of prolonged or repeated exposure. (Specific target organ toxicity, repeated exposure, Category 1) H400 - Very toxic to aquatic life. - continued
2.3 Other hazards
2.2.1 - Symptom of Exposure Health/Environment Possible cancer hazard. (Carcinogenicity, category 1B) Very toxic to aquatic life. (H400) Risk of serious effects to health in cases of prolonged or repeated exposure. (Specific target organ toxicity, repeated exposure, Category 1) Possible reproductive and teratogenic hazard.
Potential health effects
Causes severe eye irritation. (Eye damage/irritation, category 2A) Irritating to skin. (Skin corrosion/irritation, category 2) Fatal in contact with skin. (dermal, category 1) May be irritating to mucous membrane and upper respiratory system. (Specific target organ toxicity, single exposure; Respiratory tract irritation, category 3) Harmful if inhaled. (Acute toxicity, inhalation, category 4) Toxic if swallowed. (Acute toxicity, oral, category 3) 2.2.3 - Routes of Entry Inhalation, ingestion or skin contact. 2.2.4 - Carcinogenicity