1,4-Dimethoxybenzene

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Names

[ CAS No. ]:
150-78-7

[ Name ]:
1,4-Dimethoxybenzene

[Synonym ]:
p-Methoxyanisole,Dimethylhydroquinone,Hydroquinone dimethyl ether
PARA-DIMETHOXYBENZENE
Benzene, p-dimethoxy-
2,5-dimethoxy-benzene
P-DIMETHOXYBENZENE
Benzene,1,4-dimethoxy
1,4-DiMethoxybenzene
Benzene, 1,4-dimethoxy-
Hydroquinone dimethyl ether
Quinol dimethyl ether
Anisole, p-methoxy-
1,4-dimethoxy benzene
4-METHOXYANISOLE
EINECS 205-771-9
Dimethyl ether hydroquinone
dimethylhydroquinone
Benzene,p-dimethoxy
DMB
Dimethylhydroquinone ether
p-methoxyanisole
MFCD00008401

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
212.6±0.0 °C at 760 mmHg

[ Melting Point ]:
54-56 °C(lit.)

[ Molecular Formula ]:
C₈H₁₀O₂

[ Molecular Weight ]:
138.164

[ Flash Point ]:
73.5±19.4 °C

[ Exact Mass ]:
138.068085

[ PSA ]:
18.46000

[ LogP ]:
2.10

[ Vapour density ]:
4.8 (vs air)

[ Vapour Pressure ]:
0.3±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.488

[ Stability ]:
Stable. Combustible. Incompatible with strong oxidizing agents.

[ Water Solubility ]:
0.8 g/l (20 ºC)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ6650000

CHEMICAL NAME :: Benzene, p-dimethoxy-

CAS REGISTRY NUMBER :: 150-78-7

LAST UPDATED :: 199710

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C8-H10-O2

MOLECULAR WEIGHT :: 138.18

WISWESSER LINE NOTATION :: 1OR DO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,79,1949

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 16,715,1978

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 16,715,1978 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3600 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 16,715,1978

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4 gm/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle contraction or spasticity

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 4(2),30,1960

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2701 No. of Facilities: 3010 (estimated) No. of Industries: 31 No. of Occupations: 27 No. of Employees: 24385 (estimated) No. of Female Employees: 5739 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
1

[ RTECS ]:
CZ6650000

[ HS Code ]:
29093090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Hydroquinone
methyl iodide
Dimethyl sulfate
N,N-Dimethylformamide dimethyl acetal
Mequinol
4-Bromoanisole
methyl formate
Methanol
1-Chloro-4-methoxybenzene
Dimethyl Carbonate

DownStream

Benzenebutanoic acid,2,5-dimethoxy-
2-methoxy-4-(3-nitrophenyl)phenol
Acetamide,N-(2,5-dimethoxyphenyl)-
2,5-DIMETHOXYPROPIOPHENONE
2'-hydroxy-5'-methoxypropiophenone
1,4-bis(Chlormethyl)-2,5-dimethoxybenzene
Naphthazarin
1,4-Bis-(trifluoracetoxy)-benzol
Methyl trifluoromethanesulfonate
4-Methoxyphenol trifluoroacetate

Customs

[ HS Code ]: 2909309090

[ Summary ]:
2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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