3,4-Dichlorobenzoic acid

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Names

[ CAS No. ]:
51-44-5

[ Name ]:
3,4-Dichlorobenzoic acid

[Synonym ]:
MFCD00002492
3,4-dichlorbenzoic acid
Benzoic acid,3,4-dichloro
EINECS 200-099-2
3,4dichlorobenzoic acid
Benzoic acid, 3,4-dichloro-
3,4-Dichlorobenzoic acid
Benzoic acid,4-dichloro
3,4-Dichlor-benzoesaeure

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
317.8±22.0 °C at 760 mmHg

[ Melting Point ]:
204-206 °C(lit.)

[ Molecular Formula ]:
C₇H₄Cl₂O₂

[ Molecular Weight ]:
191.012

[ Flash Point ]:
146.0±22.3 °C

[ Exact Mass ]:
189.958832

[ PSA ]:
37.30000

[ LogP ]:
3.53

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.599

[ Water Solubility ]:
insoluble

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DG7175000

CHEMICAL NAME :: Benzoic acid, 3,4-dichloro-

CAS REGISTRY NUMBER :: 51-44-5

BEILSTEIN REFERENCE NO. :: 2044777

LAST UPDATED :: 199709

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C7-H4-Cl2-O2

MOLECULAR WEIGHT :: 191.01

WISWESSER LINE NOTATION :: QVR CG DG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 400 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 13,1538,1964

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-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
DG7175000

[ HS Code ]:
29163900

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

3,4-DICHLOROBENZYLALCOHOL
3,4-Dichlorotoluene
3,4-Dichlorobenzaldehyde
4-(Bromomethyl)-1,2-dichlorobenzene
1-(3,4-dichlorophenyl)-2-(methyl(phenyl)amino)ethanone
4-Aminobenzyl alcohol
2,3-Dichlorobenzoyl
METHYL 3,4-DICHLOROBENZOATE
Methanol
4-Chlorobenzoic acid

DownStream

Methyl-3-chloro-4-methoxybenzoate
2,4,5-Trichlorobenzoic Acid
3-Chloro-4-methoxybenzoic acid
3,4-DICHLOROBENZYLALCOHOL
3-Chloro-4-hydroxybenzoic acid
Terephthalic acid
Trimellitic acid
2-chloroterephthalic acid
4-Chlorobenzoic acid
protocatechuic acid

Customs

[ HS Code ]: 2916399090

[ Summary ]:
2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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