693-02-7

Name 1-Hexyne
CAS 693-02-7
EINECS(EC#) 211-736-9
Molecular Formula C6H10
MDL Number MFCD00009504
Molecular Weight 82.14
MOL File 693-02-7.mol

Chemical Properties

Appearance colourless liquid
Melting point  -132 °C
Boiling point  71-72 °C(lit.)
density  0.715 g/mL at 25 °C(lit.)
vapor pressure  253 mm Hg ( 37.7 °C)
refractive index  n20/D 1.399(lit.)
Fp  −6 °F
storage temp.  0-6°C
solubility  0.36g/l (experimental)
form  Liquid
color  Clear colorless
Specific Gravity 0.715
Stability: Stable. Incompatible with strong oxidizing agents. Highly flammable-readily forms explosive mixtures with air.
Water Solubility  Miscible with organic solvents. Immiscible with water.
BRN  635687
InChI 1S/C6H10/c1-3-5-6-4-2/h1H,4-6H2,2H3
InChIKey CGHIBGNXEGJPQZ-UHFFFAOYSA-N
SMILES CCCCC#C
CAS DataBase Reference 693-02-7(CAS DataBase Reference)
NIST Chemistry Reference 1-Hexyne(693-02-7)
EPA Substance Registry System 693-02-7(EPA Substance)

Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)Health Hazard (GHS08)
GHS02,GHS07,GHS08
Signal word  Danger
Hazard statements  H225-H304-H315-H319-H335
Precautionary statements  P210-P233-P301+P310-P303+P361+P353-P305+P351+P338-P331
Hazard Codes  F,Xn,Xi
Risk Statements 
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R65:Harmful: May cause lung damage if swallowed.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
S9:Keep container in a well-ventilated place .
S33:Take precautionary measures against static discharges .
S7/9:Keep container tightly closed and in a well-ventilated place .
RIDADR  UN 3295 3/PG 2
WGK Germany  3
RTECS  MQ9691000
F  10-23
Autoignition Temperature 263 °C
Hazard Note  Irritant
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29012980
Storage Class 3 - Flammable liquids
Hazard Classifications Asp. Tox. 1
Eye Irrit. 2
Flam. Liq. 2
Skin Irrit. 2
STOT SE 3

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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