Thorium oxide, powder and pieces

Hazard statements (CLP)

H301, H311, H331, H350, H373

Code

Statements

H301

Toxic if swallowed

SECTION 2: Hazards identification

GHS Classification Thorium oxide, powder and pieces

2.1 Classification of the substance or mixture

Placard Key

Hazard statements

word Acute Toxicity: Inhalation, Skull and Category 3 crossbones Danger Toxic if inhaled Acute Toxicity: Oral, Category Skull and Danger Toxic if swallowed crossbones Acute Toxicity: Skin, Category Skull and Danger Toxic in contact with skin crossbones Carcinogenicty, Category 1B H331: Toxic if inhaled. H301: Toxic if swallowed. H311: Toxic in contact with skin. H350: May cause cancer {state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard}. H373: May cause damage to {organs} through prolonged or repeated exposure.

Health hazards

Danger May cause cancer Target Organ Systemic Toxicity May cause damage to {} Warning through prolonged or (repeated exposure), Category 2 repeated exposure

Precautionary statements

P271: Use only outdoors or in a well-ventilated area. P261: Avoid breathing dust/fume/gas/mist/vapours/spray. P264: Wash hands thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P280: Wear protective gloves/clothing and eye/face protection as specified by the manufacturer/supplier or the competent authority. P201: Obtain special instructions before use. P202: Do not handle until all safety precautions have been read and understood. P281: Use personal protective equipment as required. P260: Do not breathe dust/fume/gas/mist/vapours/spray.

Response

P304+340 IF INHALED Remove victim to fresh air and keep at rest in a position comfortable for breathing. P311: Call a POISON CENTER or doctor/physician. P322: Specific measures (see ... on this label) ... reference to supplemental first aid instruction - if immediate measures such as specific cleansing agent is advised. P301+310 IF SWALLOWED Immediately call a POISON CENTER or doctor/physician P330: Rinse mouth. P321: Specific treatment (see ... on this label) ... reference to supplemental first aid instruction - if immediate administration of antidote is required. P361: Remove/Take off immediately all contaminated clothing. P302+352 IF ON SKIN Wash with plenty of soap and water P312: Call a POISON CENTER or doctor/physician if you feel unwell. P363: Wash contaminated clothing before reuse. P308+313 IF exposed or concerned Get medical attention/advice P314: Get medical attention/advice if you feel unwell.

Storage

P405: Store locked up. P403+233: Store container tightly closed in well-ventilated place - if product is as volatile as to generate hazardous atmosphere. P501: Dispose of contents/container to ... (in accordance with local/regional/national/international regulation). EMERGENCY OVERVIEW Carcinogen, Target Organ effect, toxic by inhalation, Toxic by ingestion, Toxic by skin absorption

Principle Routes of Exposure

Inhalation? Yes , Skin? Yes , Eyes? Yes , Ingestion? Yes Other: N POTENTIAL HEALTH EFFECTS (ACUTE AND CHRONIC) Thorium is a suspected carcinogen. Taken internally as ThO2, it has proven to be carcinogenic due to its radioactivity. (Sax, Dangerous Properties of Industrial Materials, eighth edition) INHALATION: Acute: May cause mild irritation to the respiratory system. Chronic: Confirmed human carcinogen producing anglosarcoma, liver and kidney tumors, lymphoma and other tumors of the blood system. INGESTION: Acute: May cause nausea and vomiting. Chronic: No chronic health effects recorded. SKIN: Acute: May cause irritation. Chronic: May cause dermatitis. EYE: Acute: May cause irritation. Chronic: No chronic health effects recorded. TARGET ORGANS: May affect the liver, kidneys and blood. RECOMMENDED EXPOSURE LIMITS See "Section II" LD 50 / LC 50 par-wmn TDLO 1 g/kg CAR, LIV unr-hmn TDLO 2880 mg/kg NEO, LIV iat-hmn TDLO 490 mg/kg CAR ivn-rat TDLO 160 mg/kg ETA unr-ham TDLO 2 g/kg CAR par-hmn TD 1260 mg/kg NEO, LIV, BlD par-hmn TD 700 mg/kg NEO, LIV, BLD par-wmn TD 2350 mg/kg CAR,KID iat-man TD 1190 mg/kg CAR,LIV,BLD iat-hmn TD 1302 mg/kg CAR, LIV SIGNS AND SYMPTOMS OF EXPOSURE INHALATION: May cause sneezing, shortness of breath, coughing and changes in the blood. INGESTION: May cause nausea, vomiting, changes in the blood and urine. SKIN: May cause redness, itching, burning sensation and inflammation. EYE: May cause redness, itching, burning, watering and inflammation.

Medical Conditions Generally Aggravated by Exposure

Pre-existing respiratory disorders.