IUPAC group number is also not described, it is simply used, without definition or prior description.Įlectron configuration is used as part of a hidden explanation as an answer, yet the article or Unit 1 does not explain what an electron configuration is. Where in Unit 1 is Octet and Valence given definition. Octet is used without definition, followed by valence also being used without definition. We are being asked to 'Remember that periodic groups refer to columns on the periodic table, whereas rows are known as periods' when this concept has also not been initially defined in this article or in Unit 1. Where is monatomic defined in this article or in Unit 1. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material.Words are used without first having had a definition or explanation in the article or earlier in Unit 1. The published material is being distributed without warranty of any kind, either expressed or implied. Limit value: 0.025 mg/m 3 for welding or plasma cutting processes or similar work processes that generate fume until 17 January 2025. The recommendations on this Card also apply to sodium chromate tetrahydrate (CAS No. Rest and medical observation are therefore essential. The symptoms of asthma often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rinse contaminated clothing with plenty of water because of fire hazard.Īnyone who has shown symptoms of asthma due to this substance should avoid all further contact. It is strongly advised not to let the chemical enter into the environment. The substance may cause long-term effects in the aquatic environment. The substance is very toxic to aquatic organisms. MAK: (inhalable fraction): skin absorption (H) sensitization of skin (SH) carcinogen category: 1 germ cell mutagen group: 2 TLV: (as Cr(VI), inhalable fraction): 0.0002 mg/m 3, as TWA 0.0005 mg/m 3 as STEL A1 (confirmed human carcinogen) (skin) (DSEN) (RSEN).ĮU-OEL: (as Cr): 0.005 mg/m 3 as TWA (see Notes). Animal tests show that this substance possibly causes toxicity to human reproduction or development. This substance is carcinogenic to humans. The substance may have effects on the kidneys. This may result in perforation of the nasal septum. Repeated or prolonged inhalation may cause nasal ulceration. Repeated or prolonged inhalation may cause asthma. Repeated or prolonged contact may cause skin sensitization. This may result in tissue lesions.Ī harmful concentration of airborne particles can be reached quickly when dispersed.Įffects of long-term or repeated exposure

The substance may cause effects on the kidneys and liver. The substance is corrosive to the eyes, skin and respiratory tract. The substance can be absorbed into the body by inhalation of its aerosol, through the skin and by ingestion. Solubility in water, g/100ml at 20☌: 53 (good) It reacts with combustible and reducing materials. With the financial assistance of the European Commission. Prepared by an international group of experts on behalf of ILO and WHO, Store in an area without drain or sewer access.ĭo not transport with food and feedstuffs. Separated from combustible substances, reducing agents and food and feedstuffs. Provision to contain effluent from fire extinguishing. Very toxic to aquatic life with long lasting effects May cause allergy or asthma symptoms or breathing difficulties if inhaledĬauses damage to the nose through prolonged or repeated exposure if inhaled Then store and dispose of according to local regulations. If appropriate, moisten first to prevent dusting. Sweep spilled substance into covered containers. Do NOT let this chemical enter the environment. Personal protection: complete protective clothing including self-contained breathing apparatus. Give one or two glasses of water to drink. Shock or collapse.ĭo not eat, drink, or smoke during work. Wear face shield or eye protection in combination with breathing protection.įirst rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. Refer for medical attention.įirst rinse with plenty of water for at least 15 minutes, then remove contaminated clothes and rinse again. PREVENT DISPERSION OF DUST! AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR!īurning sensation. In case of fire in the surroundings, use appropriate extinguishing media. Not combustible but enhances combustion of other substances.

Sodium chromium oxide