2,3,5,6-Tetrachloropyridine

Modify Date: 2025-08-20 18:37:03

2,3,5,6-Tetrachloropyridine Structure
2,3,5,6-Tetrachloropyridine structure
 Common Name 2,3,5,6-Tetrachloropyridine
CAS Number 2402-79-1 Molecular Weight 216.880
Density 1.7±0.1 g/cm3 Boiling Point 253.7±35.0 °C at 760 mmHg
Molecular Formula C5HCl4N Melting Point 90.5°C
MSDS N/A Flash Point 131.7±11.5 °C

 Names

Name 2,3,5,6-Tetrachloropyridine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 253.7±35.0 °C at 760 mmHg
Melting Point 90.5°C
Molecular Formula C5HCl4N
Molecular Weight 216.880
Flash Point 131.7±11.5 °C
Exact Mass 214.886307
PSA 12.89000
LogP 3.38
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.588

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UT8225000
CHEMICAL NAME :
Pyridine, 2,3,5,6-tetrachloro-
CAS REGISTRY NUMBER :
2402-79-1
BEILSTEIN REFERENCE NO. :
0129639
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C5-H-Cl4-N
MOLECULAR WEIGHT :
216.87
WISWESSER LINE NOTATION :
T6NJ BG CG EG FG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1150 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - antipsychotic Liver - fatty liver degeneration
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 11,361,1967 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5385 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 7 No. of Employees: 312 (estimated) No. of Female Employees: 6 (estimated)

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R20/21/22;R36/37/38;R51/53
Safety Phrases S26-S36/37/39-S60-S61
RIDADR 2811
RTECS UT8225000
Packaging Group III
Hazard Class 6.1
HS Code 2933399090

 Synthetic Route

 Customs

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2,3,5,6-tetrachlorpyridine
Tetrapyridine
2,3,5,6-tetrachloro-pyridin
EINECS 219-283-9
Pyridine, 2,3,5,6-tetrachloro-
MFCD00092428
2,3,5,6-Tetrachlor-pyridin
2,3,5,6-Tetrachloropyridine
Pyridine,2,3,5,6-tetrachloro
2,3,5,7-tetrachloropyridine
2,3,4,5-TETRA-O-ACETYL-1,6-DIBROMO-1,6-DIDEOXY-D-MANNITOL,WHITE SOLID
T6NJ BG CG EG FG
2,3,5,6-tetra-chloropyridine
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