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EC number: 231-143-9
CAS number: 7440-33-7
Dermal reactions seen following the induction:
- Intradermal injections:
Necrosis was recorded at most sites receiving Freund's Complete Adjuvant
in both test and control animals.
Slight irritation was seen in most test animals at sites receiving
Tungsten metal powder (20% w/v) in sterile water. No irritation was
observed in control animals receiving sterile water for injection.
Slight erythema was observed in most test animals following topical
application with Tungsten metal powder, 70% w/v in distilled water.
Slight erythema was also seen in most of the control guinea-pigs after
topical application of distilled water alone.
- Dermal reactions elicited by the challenge applications:
No dermal reactions were seen in any of the test or control animals.
Bodyweight increases were recorded for all guinea pigs over the period
of the study.
No signs of ill health or toxicity were recorded.
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