3,5,6-Trichloro-2-pyridinol

Modify Date: 2025-08-21 11:36:35

3,5,6-Trichloro-2-pyridinol Structure
3,5,6-Trichloro-2-pyridinol structure
Common Name 3,5,6-Trichloro-2-pyridinol
CAS Number 6515-38-4 Molecular Weight 198.434
Density 1.7±0.1 g/cm3 Boiling Point 325.0±37.0 °C at 760 mmHg
Molecular Formula C5H2Cl3NO Melting Point 328-330ºC
MSDS Chinese USA Flash Point 150.4±26.5 °C
Symbol GHS05 GHS07 GHS09
GHS05, GHS07, GHS09
Signal Word Danger

 Use of 3,5,6-Trichloro-2-pyridinol


3,5,6-Trichloro-2-pyridinol (TCP) is the main degradation product of the herbicide Triclopyr and the insecticides Chlorpyrifos and Chlorpyrifos-methyl[1].

 Names

Name 3,5,6-trichloropyridine-2-one
Synonym More Synonyms

 3,5,6-Trichloro-2-pyridinol Biological Activity

Description 3,5,6-Trichloro-2-pyridinol (TCP) is the main degradation product of the herbicide Triclopyr and the insecticides Chlorpyrifos and Chlorpyrifos-methyl[1].
Related Catalog
References

[1]. Jingquan Li, et al. Novel gene clusters and metabolic pathway involved in 3,5,6-trichloro-2-pyridinol degradation by Ralstonia sp. strain T6. Appl Environ Microbiol. 2013 Dec;79(23):7445-53.

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 325.0±37.0 °C at 760 mmHg
Melting Point 328-330ºC
Molecular Formula C5H2Cl3NO
Molecular Weight 198.434
Flash Point 150.4±26.5 °C
Exact Mass 196.920197
PSA 32.86000
LogP 2.16
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.617
Storage condition Refrigerator
Stability Stable. Incompatible with strong oxidizing agents.

 Safety Information

Symbol GHS05 GHS07 GHS09
GHS05, GHS07, GHS09
Signal Word Danger
Hazard Statements H302-H318-H411
Precautionary Statements P273-P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful;N:Dangerousfortheenvironment;
Risk Phrases R22;R41;R51/53
Safety Phrases S26-S39-S61
RIDADR UN 3077
RTECS UU7786700
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%

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 Synonyms

3,5,6-Trichlorpyridin-2-ol
TCP
3,5,6-Trichloro
MFCD00130269
TCP (VAN)
EINECS 229-405-2
2-Hydroxy-3,5,6-trichloropyridine
3,5,6-Trichloro-2-pyridinol
Ethiprole,Pestanal
3,5,6-trichloropyridin-2-ol
Trichloro pyridinone
Pyridinol,3,5,6-trichloro
3,5,6-Trichloro-2-(1H)pyridinone
3,5,6-TRICHLOROPYRIDINOL
3,5,6-Trichloropyridin-2(1H)-one
3-CHLORO-PYRIDINOL SODIUM
3,5,6-Trichloro-2(1H)-pyridinone
3,5,6-Trichloro-2-hydroxypyridine
TRICHLORO PYRIDINOL
PYRIDINOL
2(1H)-Pyridinone, 3,5,6-trichloro-
chlorpyriphos metabolite
TCPy
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