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| CAS No.: | 87-47-8 |
|---|---|
| Name: | Pyrolan. |
| Molecular Structure: | |
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| Formula: | C13H15 N3 O2 |
| Molecular Weight: | 245.281 |
| Synonyms: | Carbamicacid, dimethyl-, 3-methyl-1-phenyl-1H-pyrazol-5-yl ester (9CI); Carbamic acid,dimethyl-, 3-methyl-1-phenylpyrazol-5-yl ester (6CI,7CI,8CI);3-Methyl-1-phenylpyrazol-5-yl dimethylcarbamate; G 22008; NSC 404297; Pyrolan |
| Density: | 1.15g/cm3 |
| Melting Point: | 50 C |
| Boiling Point: | 160 - 162 C at 0.2 mm Hg |
| Flash Point: | 178.7°C |
| Solubility: | soluble |
| Appearance: | crystalline solid |
| Hazard Symbols: | Toxic by ingestion. Cholinesterase inhibitor. |
| Safety: | Poison by ingestion. A cholinesterase inhibitor type insecticide. When heated to decomposition it emits toxic fumes of NOx. See also CARBAMATES. |
| PSA: | 47.36000 |
| LogP: | 2.24110 |
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Chemistry
IUPAC Name: (5-Methyl-2-phenylpyrazol-3-yl) N,N-dimethylcarbamate
Synonyms: (5-Methyl-2-phenyl-pyrazol-3-yl) N,N-dimethylcarbamate ; ENT-17588;G-22008 ; Geigy G-22008 ; N,N-Dimethylcarbamic acid 3-methyl-1-phenyl-1H-pyrazol-5-yl ; Pyralan
CAS NO: 87-47-8
Molecular Formula: C13H15N3O2
Molecular Weight: 245.2771
Molecular Structure: 
Mol File: 87-47-8.mol
Index of Refraction: 1.573
Surface Tension: 40.8 dyne/cm
Density: 1.15 g/cm3
Flash Point: 178.7 °C
Enthalpy of Vaporization: 61.9 kJ/mol
Boiling Point: 371.9 °C at 760 mmHg
Vapour Pressure: 9.97E-06 mmHg at 25°C
Appearance: Pyrolan (CAS NO. 87-47-8) is crystalline solid.
Solubility: Pyrolan (CAS NO. 87-47-8) is water soluble.
Toxicity Data With Reference
| 1. | orl-mus LD50:90 mg/kg | PCOC** Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc. (Topeka, KS.: )1966,955. | ||
| 2. | orl-ckn LD50:11 mg/kg | TXAPA9 Toxicology and Applied Pharmacology. 3 (1961),521. | ||
| 3. | orl-bwd LD50:39 mg/kg | TXAPA9 Toxicology and Applied Pharmacology. 21 (1972),315. |
Safety Profile
Poison by ingestion. A cholinesterase inhibitor type insecticide. When heated to decomposition it emits toxic fumes of NOx. See also CARBAMATES.
RIDADR 2757
HazardClass 6.1(b)
PackingGroup III
Specification
1.Reactivity Profile: Pyrolan (CAS NO. 87-47-8) is a carbamate ester. Carbamates are chemically similar to, but more reactive than amides. Like amides they form polymers such as polyurethane resins. Carbamates are incompatible with strong acids and bases, and especially incompatible with strong reducing agents such as hydrides. Flammable gaseous hydrogen is produced by the combination of active metals or nitrides with carbamates. Strongly oxidizing acids, peroxides, and hydroperoxides are incompatible with carbamates.
2.Health Hazard: Acute/chronic hazards: Pyrolan. is a reversible cholinesterase inhibitor. When heated to decomposition it emits toxic fumes of nitrogen oxides.
3.Fire Hazard :Flash point data for Pyrolan. are not available; however, Pyrolan. is probably combustible.