化合物详情

CAS7440-58-6

分子式Hf

分子量178.49 g/mol g/mol

危化品

Physical Description | Hafnium powder, dry, is a grayish metallic colored powder. Dust from dry powder may be ignited by static electricity. The dry powder reacts with moisture to produce hydrogen, a flammable gas. The heat from this reaction may be sufficient to ignite the hydrogen. It does not appreciably react with large quantities of water.

科学粮草官-词典编辑部，修订于：2026-07-06

Toxicity

ICSC Environmental Data

Environmental effects from the substance have not been investigated adequately.

Natural Pollution Sources

Hafnium is...never found free in nature. It is always found associated with the more plentiful zirconium.

Symptoms

In Animals: irritation eyes, skin, mucous membrane; liver damage

Target Organs

Eyes, skin, mucous membrane, liver

Adverse Effects

Occupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.

Exposure Routes

inhalation, ingestion, skin and/or eye contact

Human Toxicity Excerpts

/SIGNS AND SYMPTOMS/ Overexposure to hafnium and its compounds may cause mild irritation of the eyes, skin, and mucous membranes.

Non-Human Toxicity Excerpts

/OTHER TOXICITY INFORMATION/ There have been no published studies on the toxicity of metallic hafnium.