Appearance: colourless liquid with a choking odour外观：无色有刺激性气味液体
Melting point熔点：-42 C
Boiling point沸点：121 C(69% boils at ca. 86C)
Specific gravity比重：1.41
Vapour pressure蒸汽压:：62 mmHg at 20 C (68%)
Flash point闪点：/
Explosion limits爆炸极限：/
Autoignition temperature自然温度：/
Stability稳定性
Stable. Strong oxidizer. Substances to be avoided include strong bases,strong reducing agents, alkalis, most common metals, organic materials,alcohols, carbides. Corrodes steel. Light-sensitive.
May be fatal if swallowed or inhaled. Extremely corrosive. Contact withskin or eyes may cause severe burns and permanent damage. TLV 2 ppm. OESlong-term 5 mg/m3
吞食或吸入气体会有致命危害。直接与皮肤或眼睛接触会导致灼伤，引起永久伤害。
Toxicity data 毒性数据
IHL-RAT LC50 244 ppm (NO2)/30m
ORL-HMN LDLO 430 mg kg-1
Risk phrases危害
R8 R23 R24 R25 R34 R41.
R8 Contact with combustible material may cause fire. 与易燃物质接触会引起火灾。
R23 Toxic by inhalation. 吸食会中毒。
R24 Toxic in contact with skin.与皮肤直接接触会中毒。
R25 Toxic if swallowed. 吞食会中毒。
R34 Causes burns.会引起燃烧。
R41 Risk of serious damage to the eyes. 对眼睛有严重的危害风险。
Transport information运输
UN No 2031. Packinggroup II. Hazard class 8.0. Transport category 2.
Personal protection个人保护
Safety glasses or face mask, gloves.Fume cupboard. 佩戴防护眼镜或者面罩，防酸手套。
Safety phrases安全措施
S23 S26 S36 S37 S39 S45.
S23 Do not breathe vapour. 不要呼吸硝酸气体。
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 一旦接触到眼睛，用大量水冲洗并就医治疗。
S36 Wear suitable protective clothing. 穿戴适宜的工作服。
S37 Wear suitable gloves. 穿戴适宜的手套。
S39 Wear eye / face protection. 佩戴眼睛和面部保护设施。
S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 一旦发生事故或感到不适，立即到医院治疗。
