1,1-二甲基-3-间甲苯基硫脲 | 21540-35-2

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 1,1-二甲基-3-间甲苯基硫脲
• 英文名称: N'-(3-Methylphenyl)-N,N-dimethyl-thiourea
• 英文别名: methiuron；1,1-dimethyl-3-(3-methylphenyl)thiourea
• CAS: 21540-35-2
• 化学式: C₁₀H₁₄N₂S
• mdl: MFCD00025674
• 分子量: 194.301
• InChiKey: MMCJEAKINANSOL-UHFFFAOYSA-N

物化性质

• 熔点：
  145°C
• 沸点：
  270.1±33.0 °C(Predicted)
• 密度：
  1.0629 (rough estimate)

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  13
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.3
• 拓扑面积：
  47.4
• 氢给体数：
  1
• 氢受体数：
  1

安全信息

• 海关编码：
  2930909090

SDS

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SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name : 1,1-DIMETHYL-3-(META-TOLYL)-2-THIOUREA
REACH No. : A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
CAS-No. : 21540-35-2
Relevant identified uses of the substance or mixture and uses advised against
Identified uses : Laboratory chemicals, Manufacture of substances

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SECTION 2: Hazards identification
Classification of the substance or mixture
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Label elements
This substance is not classified as dangerous according to Directive 67/548/EEC.
Other hazards - none

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SECTION 3: Composition/information on ingredients
Substances
Formula : C10H14N2S
Molecular Weight : 194,3 g/mol
CAS-No. : 21540-35-2
No components need to be disclosed according to the applicable regulations.

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SECTION 4: First aid measures
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
no data available

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SECTION 5: Firefighting measures
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, nitrogen oxides (NOx), Sulphur oxides
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

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SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Avoid
breathing dust.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

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SECTION 7: Handling and storage
Precautions for safe handling
Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire
protection.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Specific end use(s)
A part from the uses mentioned in section 1.2 no other specific uses are stipulated

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SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
at the end of workday.
Personal protective equipment
Eye/face protection
Use equipment for eye protection tested and approved under appropriate government standards
such as NIOSH (US) or EN 166(EU).
Skin protection
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
Body Protection
Choose body protection in relation to its type, to the concentration and amount of dangerous
substances, and to the specific work-place., The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Do not let product enter drains.

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SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) Appearance Form: solid
b) Odour no data available
c) Odour Threshold no data available
d) pH no data available
e) Melting point/freezing no data available
point
f) Initial boiling point and no data available
boiling range
g) Flash point no data available
h) Evapouration rate no data available
i) Flammability (solid, gas) no data available
j) Upper/lower no data available
flammability or
explosive limits
k) Vapour pressure no data available
l) Vapour density no data available
m) Relative density no data available
n) Water solubility no data available
o) Partition coefficient: n- log Pow: 2,187
octanol/water
p) Auto-ignition no data available
temperature
q) Decomposition no data available
temperature
r) Viscosity no data available
s) Explosive properties no data available
t) Oxidizing properties no data available
Other safety information
no data available

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SECTION 10: Stability and reactivity
Reactivity
no data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
Other decomposition products - no data available
In the event of fire: see section 5

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SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
LD50 Oral - rat - 2.200 mg/kg
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitisation
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC: No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Additional Information
RTECS: YT0200000
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.

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SECTION 12: Ecological information
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
Other adverse effects
no data available

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SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed
professional waste disposal service to dispose of this material. Dissolve or mix the material with a
combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.

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SECTION 14: Transport information
UN number
ADR/RID: - IMDG: - IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
Transport hazard class(es)
ADR/RID: - IMDG: - IATA: -
Packaging group
ADR/RID: - IMDG: - IATA: -
Environmental hazards
ADR/RID: no IMDG Marine pollutant: no IATA: no
Special precautions for user
no data available

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SECTION 15 - REGULATORY INFORMATION
N/A

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

类别：农药

毒性分级：中毒

急性毒性（口服）：大鼠 LD50 为 2200 毫克/千克

可燃性危险特性：燃烧时会产生有毒的硫氧化物和氮氧化物气体

储运特性：应存放在通风、低温、干燥的库房中，并与食品原料分开储存运输

灭火剂：干粉、泡沫或砂土

反应信息

• 作为反应物：
  描述：

  1,1-二甲基-3-间甲苯基硫脲 在 sodium periodate 作用下， 反应 0.75h， 以80%的产率得到1,1-dimethyl-3-(m-tolyl)urea
  参考文献：
  名称：

  New Synthetic Strategy for Urea Herbicides

  摘要：

  This work describes an effective and a safe procedure for the preparation of commercially applicable trisubstituted ureas derived from their thio analogues which result from the thiuram disulfides in quantitative yields.

  DOI：

  10.1080/00397919708003392
• 作为产物：
  描述：

  福美双 、 3-甲基苯胺 以 乙醇 为溶剂， 反应 5.0h， 生成 1,1-二甲基-3-间甲苯基硫脲
  参考文献：
  名称：

  Use of Tetramethylthiuram Disulfide in Synthesis of Nitrogen-containing Heterocyclic Compounds

  摘要：

  DOI：

  10.1007/s10593-005-0200-x

文献信息

• Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto
  申请人：Dow AgroSciences LLC

  公开号：US20180279612A1

  公开（公告）日：2018-10-04

  This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Arthropoda, Mollusca, and Nematoda, processes to produce such molecules, intermediates used in such processes, pesticidal compositions containing such molecules, and processes of using such pesticidal compositions against such pests. These pesticidal compositions may be used, for example, as acaricides, insecticides, miticides, molluscicides, and nematicides. This document discloses molecules having the following formula (“Formula One”).

  这份披露涉及具有对节肢动物门、软体动物门和线虫门害虫具有杀虫效用的分子领域，用于生产此类分子的过程，用于此类过程的中间体，含有此类分子的杀虫组合物，以及使用此类杀虫组合物对抗此类害虫的过程。这些杀虫组合物可以用作螨虫剂、杀虫剂、螨虫剂、软体动物杀虫剂和线虫杀虫剂。本文件披露了具有以下式（“式一”）的分子。
• [EN] MOLECULES HAVING PESTICIDAL UTILITY, AND INTERMEDIATES, COMPOSITIONS, AND PROCESSES, RELATED THERETO<br/>[FR] MOLÉCULES PRÉSENTANT UNE UTILITÉ EN TANT QUE PESTICIDE, ET LEURS INTERMÉDIAIRES, COMPOSITIONS ET PROCÉDÉS
  申请人：DOW AGROSCIENCES LLC

  公开号：WO2017040194A1

  公开（公告）日：2017-03-09

  This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Arthropoda, Mollusca, and Nematoda, processes to produce such molecules, intermediates used in such processes, pesticidal compositions containing such molecules, and processes of using such pesticidal compositions aga inst such pests. These pesticidal compositions may be used, for example, as acaricides, insecticides, miticides, molluscicides, and nematicides. This document discloses molecules having the following formula ("Formula One").

  这份披露涉及具有对节肢动物门、软体动物门和线虫门害虫有用的分子领域，用于生产这种分子的过程，用于这种过程的中间体，含有这种分子的杀虫剂组合物，以及使用这种杀虫剂组合物对抗这些害虫的过程。这些杀虫剂组合物可以用作螨虫剂、杀虫剂、螨虫剂、软体动物杀虫剂和线虫杀虫剂。本文件披露了具有以下化学式（“化学式一”）的分子。
• MOLECULES HAVING PESTICIDAL UTILITY, AND INTERMEDIATES, COMPOSITIONS, AND PROCESSES, RELATED THERETO
  申请人：Dow AgroSciences LLC

  公开号：US20170210723A1

  公开（公告）日：2017-07-27

  This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Arthropoda, Mollusca, and Nematoda, processes to produce such molecules, intermediates used in such processes, compositions containing such molecules, and processes of using such molecules and compositions against such pests. These molecules and compositions may be used, for example, as acaricides, insecticides, miticides, molluscicides, and nematicides. This document discloses molecules having the following formula (“Formula One”).

  这份披露涉及具有对节肢动物门、软体动物门和线虫门害虫具有杀虫效用的分子领域，用于生产这种分子的过程，用于这种过程的中间体，含有这种分子的组合物，以及使用这种分子和组合物对抗这些害虫的过程。这些分子和组合物可以用作杀螨剂、杀虫剂、杀螨剂、杀软体动物剂和杀线虫剂。本文件披露了具有以下式（“式一”）的分子。
• HYDRAZONYL GROUP-CONTAINING CONDENSED HETEROCYCLIC COMPOUND OR SALT THEREOF, AGRICULTURAL AND HORTICULTURAL INSECTICIDE COMPRISING THE COMPOUND, AND METHOD FOR USING THE INSECTICIDE
  申请人：Nihon Nohyaku Co., Ltd.

  公开号：US20190177319A1

  公开（公告）日：2019-06-13

  An object of the present invention is to develop and provide a novel agricultural and horticultural insecticide in view of the still immense damage caused by insect pests etc. and the emergence of insect pests resistant to existing insecticides in crop production in the fields of agriculture, horticulture and the like. Provided is a hydrazonyl group-containing condensed heterocyclic compound or a salt thereof, preferably a condensed heterocyclic compound represented by the general formula (1): wherein R 1 represents, for example, an alkyl group, R 2 represents, for example, a hydrogen atom, R 3 and R 4 each represent, for example, an alkyl group, a haloalkyl group or an acyl group, A 1 represents, for example, a nitrogen atom, A 2 represents, for example, N-Me or an oxygen atom, A 3 represents, for example, a carbon atom or a nitrogen atom, A 4 represents, for example, C—H, m represents, for example, 2, and n represents, for example, 1}, or a salt thereof; an agricultural and horticultural insecticide comprising the compound or a salt thereof as an active ingredient; and a method for using the insecticide.

  本发明的一个目的是开发并提供一种新型农艺和园艺杀虫剂，鉴于昆虫害虫等造成的损害仍然巨大，以及在农业、园艺等领域作物生产中出现的对现有杀虫剂具有抗性的昆虫害虫。 提供了一种含有肼酰基的稠合杂环化合物或其盐，优选为通式(1)表示的稠合杂环化合物： 其中R1代表例如烷基，R2代表例如氢原子，R3和R4各自代表例如烷基、卤代烷基或酰基，A1代表例如氮原子，A2代表例如N-Me或氧原子，A3代表例如碳原子或氮原子，A4代表例如C—H，m代表例如2，n代表例如1}，或其盐；一种包含该化合物或其盐作为活性成分的农艺和园艺杀虫剂；以及使用该杀虫剂的方法。
• [EN] MACROCYCLIC PICOLINAMIDES AS FUNGICIDES<br/>[FR] PICOLINAMIDES MACROCYCLIQUES À UTILISER EN TANT QUE FONGICIDES
  申请人：DOW AGROSCIENCES LLC

  公开号：WO2017116954A1

  公开（公告）日：2017-07-06

  The invention relates to macrocyclic picolinamides of Formula (I) and their use as fungicides.

  本发明涉及式(I)所示的大环吡啶酰胺及其作为杀菌剂的应用。

表征谱图