3,4-Dichlorophenol

Names

[ CAS No. ]:
95-77-2

[ Name ]:
3,4-Dichlorophenol

[Synonym ]:
3.4-Dichlor-1-hydroxy-benzol
3,4-Dichlorobiphenol
3,4-DICHLORO PHENOL
QR CG DG
EINECS 202-450-5
3,3-DICHLORO-HYDROXYBENZENE
3,4-DICHLOROPHENOL FOR SYNTHESIS
Phenol, 3,4-dichloro-
PHENOL,3,4-DICHLORO-
3,4-dichloro-phenol
3,4-DICHLOROPNENOL
3,4 DICHLOROPHENOL
Phenol,3,4-dichloro
MFCD00002258
3,4-Dichlorophenol
4,5-Dichlorophenol
3,4-Dichlor-phenol

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
247.1±20.0 °C at 760 mmHg

[ Melting Point ]:
65-67 °C(lit.)

[ Molecular Formula ]:
C₆H₄Cl₂O

[ Molecular Weight ]:
163.001

[ Flash Point ]:
109.1±15.8 °C

[ Exact Mass ]:
161.963913

[ PSA ]:
20.23000

[ LogP ]:
3.22

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.594

[ Stability ]:
Stable. Combustible. Incompatible with oxidizing agents, acid chlorides, acid anhydrides.

[ Water Solubility ]:
<0.1 g/100 mL at 20 ºC

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SK8800000

CHEMICAL NAME :: Phenol, 3,4-dichloro-

CAS REGISTRY NUMBER :: 95-77-2

BEILSTEIN REFERENCE NO. :: 1907693

LAST UPDATED :: 199709

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C6-H4-Cl2-O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1685 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 29,39,1985

Safety Information

[ Symbol ]:

GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H302-H315-H318

[ Precautionary Statements ]:
P280-P305 + P351 + P338

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

[ Hazard Codes ]:
Xn:Harmful

[ Risk Phrases ]:
R22;R36/38

[ Safety Phrases ]:
S26-S28-S37/39

[ RIDADR ]:
UN 2020 6.1/PG 3

[ WGK Germany ]:
3

[ RTECS ]:
SK8800000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1

[ HS Code ]:
29081000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2908199090

[ Summary ]:
HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%

Articles

Microbial degradation of xenobiotic, aromatic pollutants in humic water.

Appl. Environ. Microbiol. 54(7) , 1864-7, (1988)

The microbial degradation of a number of 14C-labeled, recalcitrant, aromatic pollutants, including trichloroguaiacol and di-, tri-, and pentachlorophenol, was investigated in aquatic model systems in ...

Oxidation of 2,4-dichlorophenol and 3,4-dichlorophenol by means of Fe(III)-homogeneous photocatalysis and algal toxicity assessment of the treated solutions.

Water Res. 45(5) , 2038-48, (2011)

Chlorophenols are used worldwide as broad-spectrum biocides and fungicides. They have half-life times in water from 0.6 to 550 h and in sediments up to 1700 h and, due to their numerous origins, they ...

Regiospecific dechlorination of pentachlorophenol by dichlorophenol-adapted microorganisms in freshwater, anaerobic sediment slurries.

Appl. Environ. Microbiol. 57(8) , 2293-301, (1991)

The reductive dechlorination of pentachlorophenol (PCP) was investigated in anaerobic sediments that contained nonadapted or 2,4- or 3,4-dichlorophenol (DCP)-adapted microbial communities. Adaptation ...