Chlorthal
Names
[ CAS No. ]:
2136-79-0
[ Name ]:
Chlorthal
[Synonym ]:
Tetrachloroterephthalicacid
Chlorthal
DCPA (USA)
MFCD00013974
tetrachlorobenzene-1,4-dicarboxylic acid
Perchloroterephthalic acid
DCPA
2,3,5,6-tetrachlorobenzene-1,4-dicarboxylic acid
2,3,5,6-Tetrachloroterephthalic acid
Tetrachloroterephthalic Acid, Pract.
tetrachloroterephthalic acid
2,3,5,6-tetrachloro-1,4-benzenedicarboxylic acid
Terephthalic acid,tetrachloro
Caswell No. 833A
1,4-Benzenedicarboxylic acid, 2,3,5,6-tetrachloro-
2,3,5,6-Tetrachloro-1,4-benzenecarboxylic acid
Chemical & Physical Properties
[ Density]:
1.9±0.1 g/cm3
[ Boiling Point ]:
425.2±45.0 °C at 760 mmHg
[ Melting Point ]:
239-242°C
[ Molecular Formula ]:
C8H2Cl4O4
[ Molecular Weight ]:
303.911
[ Flash Point ]:
210.9±28.7 °C
[ Exact Mass ]:
301.870728
[ PSA ]:
74.60000
[ LogP ]:
3.85
[ Vapour Pressure ]:
0.0±1.1 mmHg at 25°C
[ Index of Refraction ]:
1.657
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CZ4400000
- CHEMICAL NAME :
- 1,4-Benzenedicarboxylic acid, 2,3,5,6-tetrachloro-
- CAS REGISTRY NUMBER :
- 2136-79-0
- BEILSTEIN REFERENCE NO. :
- 1887098
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 3
- MOLECULAR FORMULA :
- C8-H2-Cl4-O4
- MOLECULAR WEIGHT :
- 303.90
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,171,1991 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >3 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,171,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >10 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,171,1991
Safety Information
[ Hazard Codes ]:
C: Corrosive;
[ RTECS ]:
CZ4400000
[ HS Code ]:
2917399013
Synthetic Route
Customs
[ HS Code ]: 2917399013
[ Summary ]:
2917399013 2,3,5,6-tetrachloroterephthalic acid。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%