86-88-4
1-(1-NAPHTHYL)-2-THIOUREA
CAS: 86-88-4
Molecular Formula: C11H10N2S
86-88-4 - Names and Identifiers
| Name | 1-(1-NAPHTHYL)-2-THIOUREA |
| Synonyms | ANTU 1-Naftil-tiourea 1-Naftylthioureum α-naphthyl thiourea 1-Naphthyl-thiouree 1-naphthalenyl-thioure 1-(1-naphthyl)thiourea 1-Naphthalenylthiourea 1-Naphthyl-thioharnstoff 1-naphthalen-1-ylthiourea 1-(1-NAPHTHYL)-2-THIOUREA 1-(1-naphthyl)-2-thio-ure |
| CAS | 86-88-4 |
| EINECS | 201-706-3 |
| InChI | InChI=1/C11H10N2S/c12-11(14)13-10-7-3-5-8-4-1-2-6-9(8)10/h1-7H,(H3,12,13,14) |
86-88-4 - Physico-chemical Properties
| Molecular Formula | C11H10N2S |
| Molar Mass | 202.275 |
| Density | 1.333g/cm3 |
| Melting Point | 193 °C |
| Boling Point | 377.6°C at 760 mmHg |
| Flash Point | 182.1°C |
| Water Solubility | 600 mg/L at 20 °C (quoted, Windholz et al., 1983) |
| Vapor Presure | 6.69E-06mmHg at 25°C |
| Appearance | Morphological Crystals or Crystalline Powder, color Grayish to beige-brown |
| pKa | 13.12±0.70(Predicted) |
| Storage Condition | Poison room |
| Refractive Index | 1.794 |
| Physical and Chemical Properties | The pure chemical product is white solid, odorless and bitter. m.p.198 ℃; The original drug is gray-white crystalline powder with an active ingredient content of more than 95%, m.p.187 ℃. Soluble in boiling alcohol, insoluble in water (0.06g/100mL). The chemical properties are stable, not easy to deteriorate, and the grinding will not fail after being damp and caking. |
| Use | Use thiourea acute rodenticide. Strong selectivity, mainly used for the prevention and treatment of rodents and yellow rats, low toxicity to other mice. The drug has a strong gastric toxicity, can also damage the respiratory system of rodents. General food within 6 to 72h after death. The first time to use the effect is ideal, but the intake of sub-lethal dose will produce strong drug resistance, resistance ability can be increased by 7~50 times, and the other thiourea derivatives produce cross resistance. |
86-88-4 - Risk and Safety
| Hazard Symbols | T+ - Very toxic |
| Risk Codes | R28 - Very Toxic if swallowed R40 - Limited evidence of a carcinogenic effect |
| Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S25 - Avoid contact with eyes. S23 - Do not breathe vapour. |
| UN IDs | 1651 |
| WGK Germany | 2 |
| RTECS | YT9275000 |
| TSCA | Yes |
| HS Code | 29309090 |
| Hazard Class | 6.1 |
| Packing Group | I |
| Toxicity | Acute oral LD50 for Norwegian rats 6–8 mg/kg (Hartley and Kidd, 1987). |
86-88-4 - Upstream Downstream Industry
| Raw Materials | Ammonium thiocyanate Sodium thiocyanate 1-Naphthylamine Potassium thiocyanate 2-AMINONAPHTHALENE HYDROCHLORIDE |
| Downstream Products | 1-Naphthyl isothiocyanate 2-AMINO-BETA-NAPHTHOTHIAZOLE |
86-88-4 - Uses and synthesis methods
production method
It is obtained by reacting α-naphthylamine with ammonium thiocyanate (or sodium thiocyanate, potassium thiocyanate). 1. Preparation of α-naphthylamine hydrochloride. 2. Preparation of α-naphthalene thiourea.
category
Pesticides
toxicity classification
highly toxic
acute toxicity
oral-rat LD50: 6 mg/kg; oral-mouse LD50: 5 mg/kg
flammability hazard characteristics
Decomposition of toxic nitrogen oxide and sulfur oxide gas by heat
storage and transportation features
The warehouse is ventilated and dry at low temperature; stored and transported separately from food raw materials
fire extinguishing agent
Sand, dry powder, foam
occupational standards
TWA 0.3 mg/m3; 0.9 mg/m3
Last Update：2024-04-10 22:29:15
86-88-4 - Nature
| solubility | 4.3 and 86 g/L in acetone and triethylene glycol, respectively (Windholz et al., 1983) |
| Odor | bitter taste |
| Merck | 14,722 |
| BRN | 778118 |
| exposure limit | NIOSH REL: TWA 0.3 mg/m3, IDLH 100 mg/m3; OSHA PEL: TWA 0.3 mg/m3 |
| (IARC) Carcinogen Classification | 3 (Vol. 30, Sup 7) 1987 |
| EPA chemical information | .alpha.-Naphthylthiourea (86-88-4) |
Last Update：2024-04-09 20:52:54
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View History
86-88-4
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130549-56-3
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Benzyl cinnamate
214557-89-8
Raw Materials for 86-88-4
Ammonium thiocyanate
Sodium thiocyanate
1-Naphthylamine
Potassium thiocyanate
2-AMINONAPHTHALENE HYDROCHLORIDE
Sodium thiocyanate
1-Naphthylamine
Potassium thiocyanate
2-AMINONAPHTHALENE HYDROCHLORIDE
Downstream Products for 86-88-4