Ammonia

CAS RN: 7664-41-7

Odor Threshold

Water: 1.5 mg/L; air: 5.2 uL/L; odor safety class C; C = < 50% of distracted persons perceive warning of TLV.
Odor recognition of pure ammonia in air is 4.68 x 10+1 ppm.
Sharp, cloying, repellent; low threshold = 0.0266 mg/cu m; high threshold = 39.60 mg/cu m; irritating concn = 72.00 mg/cu m.
Low threshold = 0.0266 mg/cu m; High threshold = 39.6 mg/cu m; Irritating concentration = 72 mg/cu m.
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