1-(3,4-Dichlorophenyl)-2-thiourea - Names and Identifiers
Name | 1-(3,4-Dichlorophenyl)-2-thiourea
|
Synonyms | TIMTEC-BB SBB003346 3,4-Dichlorophenylthiourea 3,4-DICHLOROPHENYLTHIOUREA 1-(3,4-DICHLOROPHENYL)THIOUREA 1-(3,4-dichlorophenyl)thiourea N-(3,4-DICHLOROPHENYL)THIOUREA 1-(3,4-Dichlorophenyl)-2-thiourea 1-(3,4-DICHLOROPHENYL)-2-THIOUREA
|
CAS | 19250-09-0
|
EINECS | 242-919-1 |
InChI | InChI=1/C7H6Cl2N2S/c8-5-2-1-4(3-6(5)9)11-7(10)12/h1-3H,(H3,10,11,12) |
1-(3,4-Dichlorophenyl)-2-thiourea - Physico-chemical Properties
Molecular Formula | C7H6Cl2N2S
|
Molar Mass | 221.11 |
Density | 1.563 |
Melting Point | 197-199°C(lit.) |
Boling Point | 327.7°C at 760 mmHg |
Flash Point | 152°C |
Vapor Presure | 0.000198mmHg at 25°C |
Appearance | Grey crystalline powder |
BRN | 2102334 |
Storage Condition | Room Temprature |
Refractive Index | 1.73 |
MDL | MFCD00004935 |
1-(3,4-Dichlorophenyl)-2-thiourea - Risk and Safety
Hazard Symbols | T+ - Very toxic
|
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R28 - Very Toxic if swallowed
R25 - Toxic if swallowed
|
Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S28 - After contact with skin, wash immediately with plenty of soap-suds.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S22 - Do not breathe dust.
S1 - Keep locked up.
S36 - Wear suitable protective clothing.
|
UN IDs | 2811 |
WGK Germany | 3 |
HS Code | 29309090 |
Hazard Class | 6.1 |
Packing Group | III |
1-(3,4-Dichlorophenyl)-2-thiourea - Introduction
1-(3,4-dichlorophenyl)-2-thiourea is an organic compound with the following properties:
1. Appearance: White crystalline solid.
2. Solubility: soluble in most organic solvents, slightly soluble in water.
3. Melting Point: about 112-116 degrees Celsius.
4. Stability: It is relatively stable at room temperature, but it can be decomposed by light and heat.
Some important uses of this compound include:
1. Pesticide: can be used as raw materials for fungicides and insecticides.
2. Medicine: can be used as an intermediate in the process of drug synthesis.
3. Chemical Industry: can be used for the preparation of dyes and coatings.
The preparation of 1-(3,4-dichlorophenyl)-2-thiourea is generally synthesized by the following reaction scheme:
1. Reaction precursor: starting with 3,4-dichlorophenylamine.
2. Reaction one: 3,4-dichlorophenyl amine reacts with ethyl thioacetate to generate N-(3,4-dichlorophenyl) acetamide.
3. Reaction 2: reacting N-(3,4-dichlorophenyl) acetamide with ammonia to generate 1-(3,4-dichlorophenyl)-2-thiourea.
Regarding safety information, 1-(3,4-dichlorophenyl)-2-thiourea has low toxicity and meets the requirements for safe operation of general chemicals. But still need to pay attention to the following matters:
1. Contact: avoid prolonged contact with skin, eyes and other parts, should be equipped with appropriate protective equipment.
2 inhalation: avoid inhalation of the substance of dust or steam, the operation to maintain good ventilation.
3. Eat: Do not eat or drink this substance.
The safety data sheet (SDS) of the substance should be read carefully before use to obtain more detailed safety information, and to handle and store under appropriate conditions.
Last Update:2024-04-09 20:02:46