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英文名稱：Ammonium hydroxideCAS號：1336-21-6分子式：H5NO分子量：35.05EINECS號：215-647-6

熔點 -77°C沸點 36°C密度 0.91 g/mL at 20 °C
蒸氣密度1.2 (vs air)蒸氣壓115 mmHg at 20 °C for 29% solution儲存條件 Store at RT.形態Liquid, Single Sub-Boiling Quartz Distillation酸度系數(pKa)9.3(at 25℃)比重approximate 0.96 (10%, 15℃)顏色Colorless氣味 (Odor)Strong pungent ammonia odor detectable at 17 ppm爆炸極限值(explosive limit)27%水溶解性 Miscible with water.最大波長(λmax)λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01Merck 14,494BRN 3587154穩定性Stable. Incompatible with copper, copper alloys, acids, galvanised iron, zinc, aluminium, bronze, dimethyl sulphate, mercury, alkali metals.InChIKeyVHUUQVKOLVNVRT-UHFFFAOYSA-N

危險性符號(GHS)
GHS05,GHS07,GHS09警示詞Danger危險性描述H401-H402-H303-H302-H314-H335-H400-H315-H318-H412-H410防范說明P309-P260h-P301+P330+P331-P405-P501a-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P391-P305+P351+P338+P310-P260-P301+P312+P330-P264-P280a-P310a-P321-P332+P313-P310危險品標志 C,N危險類別碼 34-50-22安全說明 26-36/37/39-45-61危險品運輸編號 UN 2672 8/PG 3
WGK Germany 2
RTECS號BQ9625000
F 34自燃溫度690 °C (for ammonia)TSCA YesHazardClass 8PackingGroup III海關編碼 28142000毒性LD50 oral (rat) 350 mg/kg
PEL (OSHA) 35 ppm (27 mg/m3)
TLV-TWA (ACGIH) 25 ppm (17 mg/m3)
STEL (ACGIH) 35 ppm (27 mg/m3)