3,4-Dichlorophenylthiourea

3,4-Dichlorophenylthiourea - 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)

3,4-Dichlorophenylthiourea - 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

3,4-Dichlorophenylthiourea - 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

3,4-Dichlorophenylthiourea - 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