Hydrogen Sulphide

Hazard statements (CLP)

H220, H280, H314, H330, H335, H400

Code

Statements

H220

Extremely flammable gas

SECTION 2: Hazards identification

2.1 Classification of the substance or mixture

Classification under South African Hazardous Chemical Substances Regulations subsequently amended. (HCS) - FLAMMABLE GASES - Category 1 - GASES UNDER PRESSURE - Liquefied gas - ACUTE TOXICITY (inhalation) -Category 2 - SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) (Respiratory tract irritation) - Category 3 - AQUATIC HAZARD (ACUTE) - Category 1 - SKIN CORROSION/IRRITATION Emergency Colour: Colourless Overview Odour: Rotten egg Taste: Pungent Physical State: Liquid under own vapour pressure - All cylinders are portable gas containers and must be regarded as pressure vessels at all times - Hydrogen Sulphide does not support life Adverse - Harmful if inhaled

Potential health effects

Chemical - Acute Toxicity Biological - Vapour is harmful to living organisms Vapour - Acute toxicity Inhalation - Will cause severe pulmonary spasms. GHS

Classifications

Flammable gas 1 - Acute toxicity 2 GHS

Signal word

Danger

Hazard statements

H220: Extremely flammable gas H280: Contains gas under pressure; may explode if heated H330: Fatal if inhaled H335: May cause respiratory irritation H314: Causes severe skin burns and eye damage H400: Very toxic to aquatic life GHS

Precautionary statements

P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P260: Do not breathe gas/vapours/fumes P273: Avoid release to the environment P264: Wash exposed skin thoroughly after handling P271: Use only outdoors or in a well- ventilated area P284: Wear respiratory protection P280: Wear protective gloves/protective clothing/eye protection/face protection.

Response

P304+P340+P315 IF INHALED Remove person to fresh air and keep comfortable for breathing. Get immediate medical advice/attention P312: Call a POISON CENTRE/doctor if you feel unwell P377 Leaking gas fire Do not extinguish, unless leak can be stopped safely P381: Eliminate all ignition sources if safe to do so 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/shower. P363 Wash contaminated clothing before reuse. P321 Specific treatment Reference to supplemental first aid instruction P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Storage

P410 + P403: Protect from sunlight. Store in a well- ventilated place P233: Keep container tightly closed P405: Store locked up

Disposal

P501: Dispose of contents/container in accordance with local / regional / national/international regulations Other - Heavier than air will displace oxygen in low Hazards that lying area. do not result - Contact with evaporating liquid may cause in frostbite or freezing of skin