2-Methylnaphthalene(CAS#91-57-6)

Molecular Formula	C11H10
Molar Mass	142.2
Density	1.01
Melting Point	34-36°C(lit.)
Boling Point	241-242°C(lit.)
Flash Point	208°F
Water Solubility	0.00246 g/100 mL
Solubility	0.025g/l
Vapor Presure	5.4 (extrapolated, Mackay et al., 1982)
Appearance	Crystalline Low Melting Solid
Color	White
Exposure Limit	ACGIH: TWA 0.5 ppm (Skin)
BRN	906859
Storage Condition	2-8°C
Stability	Stable. Incompatible with strong oxidizing agents.
Refractive Index	1.6019
Physical and Chemical Properties	White or pale yellow monoclinic crystals or fused crystals. boiling point 241 ℃ freezing point 34.5 ℃ relative density 1.0058 refractive index 1.6019 solubility insoluble in water, soluble in organic solvents such as ethanol and ether.
Use	Production of vitamin K3 raw materials, oral contraceptives, synthetic plant growth inhibitors, also used as surfactants, water reducing agents, dispersants, etc

Product Detail

Risk Codes	R22 – Harmful if swallowed R36/37/38 – Irritating to eyes, respiratory system and skin. R51/53 – Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R63 – Possible risk of harm to the unborn child R43 – May cause sensitization by skin contact R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. R45 – May cause cancer R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R67 – Vapors may cause drowsiness and dizziness R40 – Limited evidence of a carcinogenic effect
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 – Wear suitable gloves and eye/face protection S61 – Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37 – Wear suitable protective clothing and gloves. S24/25 – Avoid contact with skin and eyes. S23 – Do not breathe vapour. S53 – Avoid exposure – obtain special instructions before use. S36 – Wear suitable protective clothing. S29 – Do not empty into drains.
UN IDs	UN 3077 9/PG 3
WGK Germany	2
RTECS	QJ9635000
TSCA	Yes
HS Code	29029080
Hazard Class	9
Packing Group	III
Toxicity	Acute oral LD50 for rats 1,630 mg/kg (quoted, RTECS, 1985).