Nitrapyrin
Synonym(s):2-Chloro-6-(trichloromethyl)pyridine;CP;Nitrapyrin
- CAS NO.:1929-82-4
- Empirical Formula: C6H3Cl4N
- Molecular Weight: 230.91
- MDL number: MFCD00072500
- EINECS: 217-682-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-13 19:17:58
What is Nitrapyrin?
Chemical properties
Crystals.
Physical properties
Colorless to white crystalline solid with a mild, sweet odor
The Uses of Nitrapyrin
Fertilizer additive to control nitrification and prevent loss of soil nitrogen.
The Uses of Nitrapyrin
Bactericide used to inhibit Nitrosomonas spp. from oxidizing ammonium ions in soil.
The Uses of Nitrapyrin
2-Chloro-6-(trichloromethyl)pyridine is
Definition
ChEBI: Nitrapyrin is a chloropyridine that is 2-chloropyridine which is substituted by a trichloromethyl group at position 6. It is a nitrification inhibitor that is co-applied with nitrogen fertilizer in agroecosystems. It has a role as a nitrification inhibitor, an antibacterial agent and an agrochemical.
General Description
Colorless crystals or off-white crystalline solid.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Nitrapyrin is a base. Reacts exothermically with acids.
Hazard
Liver damage. Questionable carcinogen.
Fire Hazard
Flash point data for Nitrapyrin are not available. Nitrapyrin is probably combustible.
Flammability and Explosibility
Non flammable
Agricultural Uses
Nitrapyrin, also called N serve, is a nitrification inhibitor
Safety Profile
Poison by ingestion. Moderately toxic by skin contact. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits very toxic fumes of Cland NOx.
Environmental Fate
Biological. 6-Chloropicolinic acid and carbon dioxide were reported as biodegradation
products (Verschueren, 1983).
Soil. Hydrolyzes in soil to 6-chloropyridine-2-carboxylic acid (Worthing and Hance,
1991).
Photolytic. Photolysis of nitrapyrin in water yielded 6-chloropicolinic acid, 6-hydroxypicolinic
acid and an unidentified polar material (Verschueren, 1983).
Chemical/Physical. Emits toxic fumes of nitrogen oxides and chlorides when heated
to decomposition (Sax and Lewis, 1987; Lewis, 1990).
Properties of Nitrapyrin
Melting point: | 62-63°C |
Boiling point: | 136-138°C |
Density | 1.8732 (rough estimate) |
vapor pressure | 2.8 x 10-3 mmHg at 20 °C (quoted, Verschueren, 1983) |
refractive index | 1.6000 (estimate) |
Flash point: | 100 °C |
storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
solubility | Soluble in 10 mg/ml ethanol. |
form | Powder |
pka | -3.75±0.10(Predicted) |
Specific Gravity | 1.579 (25℃) |
color | White |
Water Solubility | Insoluble. <0.01 g/100 mL at 18 ºC |
Merck | 14,6574 |
BRN | 1618997 |
Henry's Law Constant | 2.13 x 10-3 atm?m3/mol (approximate - calculated from water solubility and vapor pressure) |
Exposure limits | NIOSH REL: 10 mg/m3, STEL 20 mg/m3 (total), 5 mg/m3 (respirable
fraction); OSHA PEL: 15 mg/m3 (total), 5 mg/m3 (respirable fraction); ACGIH TLV: TWA
10 mg/m3. |
CAS DataBase Reference | 1929-82-4(CAS DataBase Reference) |
NIST Chemistry Reference | Pyridine, 2-chloro-6-(trichloromethyl)-(1929-82-4) |
EPA Substance Registry System | Nitrapyrin (1929-82-4) |
Safety information for Nitrapyrin
Signal word | Danger |
Pictogram(s) |
Skull and Crossbones Acute Toxicity GHS06 Environment GHS09 |
GHS Hazard Statements |
H302:Acute toxicity,oral H311:Acute toxicity,dermal H411:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
Computed Descriptors for Nitrapyrin
InChIKey | DCUJJWWUNKIJPH-UHFFFAOYSA-N |
Abamectin manufacturer
Dr. Silviu Pharmachem Pvt., Ltd.
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