4-METHYL-1-NAPHTHALDEHYDE Property

Melting point:

32-36 °C(lit.)

Boiling point:

259.85°C (rough estimate)

Density 

1.1252

refractive index 

1.6188 (estimate)

Flash point:

>230 °F

solubility 

Chloroform (Slightly), Methanol (Slightly)

form 

Oil

CAS DataBase Reference

33738-48-6(CAS DataBase Reference)

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36/37/39

WGK Germany 

3

HazardClass 

IRRITANT

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P233Keep container tightly closed.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304IF INHALED:

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P340Remove victim to fresh air and keep at rest in a position comfortable for breathing.

P362Take off contaminated clothing and wash before reuse.

P403Store in a well-ventilated place.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

4-METHYL-1-NAPHTHALDEHYDE Chemical Properties,Usage,Production

Uses

4-Methyl-1-naphthaldehyde may be used in the synthesis of methyl 2-phenyl-3-( 4-methyl-1-naphthyl)propenoate and (Z/E)-2-amino-4,6-dimethyl-5-[(4-methyl-1-naphthyl)methylene]-5H-cyclopenta[b]pyridine-3,7-dicarbonitrile.

General Description

4-Methyl-1-naphthaldehyde is a monoaldehyde. It is obtained along with 1-methyl-2-naphthaldehyde from 1-methylnaphthalene, via formylation.