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22876-19-3生产厂家

22876-19-3价格

22876-19-3

22876-19-3结构式
22876-19-3结构式

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中文名 5-氯-2-巯基苯并噁唑
英文名 5-chloro-3H-1,3-benzoxazole-2-thione
中文别名 5-氯-2-巯基苯并恶唑
5-氯苯并恶唑-2-硫醇
英文别名 2-Mercapto-5-chlorobenzoxazole
5-chloro-1,3-benzoxazole-2-thiol
5-Chloro-2-thioxobenzoxazoline
MFCD00175241
5-chloro-3H-benzooxazole-2-thione
5-chloro-2-benzoxazolethiol
5-Chloro-1,3-benzoxazole-2(3H)-thione
5-Chloro-2-mercaptobenzoxazole
2-Benzoxazolethiol,5-chloro
5-Chloro-benzooxazole-2-thiol
2-Benzoxazolinethione,5-chloro
5-Chlorobenzo[d]oxazole-2(3H)-thione
2(3H)-Benzoxazolethione, 5-chloro-
5-Chlorobenzo[d]oxazole-2-thiol
密度 1.6±0.1 g/cm3
沸点 278.7±42.0 °C at 760 mmHg
熔点 280-285 °C(lit.)
分子式 C7H4ClNOS
分子量 185.631
闪点 122.4±27.9 °C
精确质量 184.970215
PSA 64.83000
LogP 3.06
蒸汽压 0.0±0.6 mmHg at 25°C
折射率 1.723
储存条件

密闭,阴凉干燥处保存,确保有良好的通风

稳定性

如果遵照规格使用和储存则不会分解,未有已知危险发生

避免强氧化剂

分子结构

分子性质数据:

1、 摩尔折射率:47.55

2、 摩尔体积(m3/mol):124.1

3、 等张比容(90.2K):343.6

4、 表面张力(dyne/cm):58.7

5、 介电常数:

6、 偶极距(10 -24cm 3):

7、 极化率:18.85

计算化学

1.疏水参数计算参考值(XlogP):2.4

2.氢键供体数量:1

3.氢键受体数量:2

4.可旋转化学键数量:0

5.互变异构体数量:2

6.拓扑分子极性表面积53.4

7.重原子数量:11

8.表面电荷:0

9.复杂度:187

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

更多

1. 性状:白色粉末

2. 密度(g/mLat 25°C):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):280-285

5. 沸点(ºC,常压):未确定

6. 沸点(ºC,0.1mmHg):未确定

7. 折射率(n20/D):未确定

8. 闪点(ºC):未确定

9. 比旋光度(º):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(mmHg,37ºC):未确定

12. 饱和蒸气压(kPa,114.4 ºC):未确定

13. 燃烧热(KJ/mol):未确定

14. 临界温度(ºC):未确定

15. 临界压力(MPa):未确定

16. 油水(辛醇/水)分配系数的对数值:未确定

17. 爆炸上限(%,V/V):未确定

18. 爆炸下限(%,V/V):未确定

19. 溶解性:未确定


Section1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
Product identifiers
Product name: 5-Chloro-2-mercaptobenzoxazole
CAS-No.: 22876-19-3
Relevant identified uses of the substance or mixture and uses advised against
Identified uses: Laboratory chemicals, Manufacture of substances



Section2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]
Acute toxicity, Oral (Category 4)
Skin irritation (Category 2)
Eye irritation (Category 2)
Specific target organ toxicity - single exposure (Category 3)
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Harmful if swallowed. Irritating to eyes, respiratory system and skin.
Label elements
Labelling according Regulation (EC) No 1272/2008 [CLP]
Pictogram
Signal wordWarning
Hazard statement(s)
H302Harmful if swallowed.
H315Causes skin irritation.
H319Causes serious eye irritation.
H335May cause respiratory irritation.
Precautionary statement(s)
P261Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P305 + P351 + P338IF IN EYES: Rinse cautiously with water for several minutes. Remove
contact lenses, if present and easy to do. Continue rinsing.
Supplemental Hazardnone
Statements
Safety data sheet available on request.
According to European Directive 67/548/EEC as amended.
Hazard symbol(s)
R-phrase(s)
R22Harmful if swallowed.
R36/37/38Irritating to eyes, respiratory system and skin.
S-phrase(s)
S26In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice.
S36Wear suitable protective clothing.
Other hazards - none

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substances
Formula: C7H4ClNOS
Molecular Weight: 185,63 g/mol
ComponentConcentration
5-Chloro-2-mercaptobenzoxazole
CAS-No.22876-19-3-

Section4. 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
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
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
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Indication of any immediate medical attention and special treatment needed
no data available

Section5. 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, Hydrogen chloride gas
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure
adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
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.

Section7. HANDLING AND STORAGE
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire
protection.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Specific end uses
no data available

Section8. 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
Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested
and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
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.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.
Use respirators and components tested and approved under appropriate government standards
such as NIOSH (US) or CEN (EU).

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
a) AppearanceForm: powder
Colour: white
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezingMelting point/range: 280 - 285 °C - lit.
point
f) Initial boiling point and no data available
boiling range
g) Flash pointno data available
h) Evaporation rateno data available
i) Flammability (solid, gas) no data available
j) Upper/lowerno data available
flammability or
explosive limits
k) Vapour pressureno data available
l) Vapour densityno data available
m) Relative densityno data available
n) Water solubilityno data available
o) Partition coefficient: n- no data available
octanol/water
p) Autoignitionno data available
temperature
q) Decompositionno data available
temperature
r) Viscosityno data available
s) Explosive propertiesno data available
t) Oxidizing propertiesno data available
Other safety information
no data available

Section10. STABILITY AND REACTIVITY
Reactivity
no data available
Chemical stability
no data available
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Oxidizing agents
Hazardous decomposition products
Other decomposition products - no data available

Section11. TOXICOLOGICAL INFORMATION
Information on toxicological effects
Acute toxicity
LD50 Oral - rat - 1.000 mg/kg
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
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
Inhalation - May cause respiratory irritation.
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
InhalationMay be harmful if inhaled. Causes respiratory tract irritation.
IngestionHarmful if swallowed.
SkinMay be harmful if absorbed through skin. Causes skin irritation.
EyesCauses serious eye irritation.
Signs and Symptoms of Exposure
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Additional Information
RTECS: DM4760000

Section12. 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
no data available
Other adverse effects
no data available

Section13. 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.

Section14. 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: noIMDG Marine pollutant: noIATA: no
Special precautions for user
no data available

Section15. REGULATORY INFORMATION
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
no data available
Chemical Safety Assessment
no data available

Section16. OTHER INFORMATION
Further information
Copyright 2012 Co. LLC. License granted to make unlimited paper copies for internal use
only.
The above information is believed to be correct but does not purport to be all inclusive and shall be
used only as a guide. The information in this document is based on the present state of our knowledge
and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Corporation and its Affiliates shall not be held
liable for any damage resulting from handling or from contact with the above product. See
and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DM4760000
CHEMICAL NAME :
Benzoxazole, 5-chloro-2-mercapto-
CAS REGISTRY NUMBER :
22876-19-3
LAST UPDATED :
199712
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C7-H4-Cl-N-O-S
MOLECULAR WEIGHT :
185.63
WISWESSER LINE NOTATION :
T56 BN DOJ CSH HG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),339,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
120 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),337,1964

符号 GHS07
GHS07
信号词 Warning
危害声明 H302-H315-H319-H335
警示性声明 P261-P305 + P351 + P338
个人防护装备 dust mask type N95 (US);Eyeshields;Gloves
危害码 (欧洲) Xn: Harmful;
风险声明 (欧洲) R22;R36/37/38
安全声明 (欧洲) S26-S36
危险品运输编码 NONH for all modes of transport
WGK德国 3
RTECS号 DM4760000
海关编码 2934999090
海关编码 2934999090
中文概述 2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%