Melting point :85.5℃
Boiling point :115 °C(lit.)
Density :0.88 g/mL at 25 °C(lit.)
vapor density :3 (vs air)
vapor pressure :10.6 mm Hg ( 20 °C)
refractive index :n20/D 1.406(lit.)
Flash point :64 °F
storage temp. :2-8°C
form :Liquid
color :Colorless
Sensitive :Moisture Sensitive
Merck :13,1574
BRN :773917
Exposure limits :No exposure limit is set for this compound. On the basis of its low inhalation toxicity, a TLV-TWA value of 8 mg/m³ (2 ppm) can be safely ascribed.
InChIKey :HNHVTXYLRVGMHD-UHFFFAOYSA-N
CAS DataBase Reference :111-36-4(CAS DataBase Reference)
NIST Chemistry Reference :Butane, 1-isocyanato-(111-36-4)
EPA Substance Registry System :Butyl isocyanate (111-36-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.