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99-42-3生产厂家

99-42-3价格

99-42-3

99-42-3结构式
99-42-3结构式

化源商城直购

中文名 4-羟基-3-硝基苯甲酸甲酯
英文名 Methyl 4-hydroxy-3-nitrobenzoate
中文别名 3-硝基-4-羟基苯甲酸甲酯
英文别名 methyl 4-hydroxy-3-nitrobenzoate
MFCD00014695
EINECS 202-755-3
密度 1.432 g/cm3
沸点 311.1ºC at 760 mmHg
熔点 74-76°C
分子式 C8H7NO5
分子量 197.14500
闪点 141.9ºC
精确质量 197.03200
PSA 92.35000
LogP 1.61020
储存条件 储存于阴凉、干燥、通风的专用爆炸品库房。远离火种、热源。应与氧化剂分开存放,切忌混储。采用防爆型照明、通风设施。禁止使用易产生 火花的机械设备和工具。储区应备有合适的材料收容泄漏物。
稳定性

避免与强氧化剂接触。

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:1

3.氢键受体数量:5

4.可旋转化学键数量:2

5.互变异构体数量:6

6.拓扑分子极性表面积92.4

7.重原子数量:14

8.表面电荷:0

9.复杂度:236

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:晶体状粉末。

2. 密度(g/mL,20℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):74-76

5. 沸点(ºC,常压):未确定

6. 沸点(ºC, 27mmHg):未确定

7. 折射率: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,ºC):未确定

12. 饱和蒸气压(kPa, 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(KPa):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

Material Safety Data Sheet

Section1. Identification of the substance
Methyl 4-hydroxy-3-nitrobenzoate
Product Name:
Synonyms:

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
H315:Causes skin irritation
H319:Causes serious eye irritation
H335:May cause respiratory irritation
P261:Avoid breathing dust/fume/gas/mist/vapours/spray
Wear protective gloves/protective clothing/eye protection/face protection
P280:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing
P304+P340:IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P405:Store locked up

Section3. Composition/information on ingredients.
Methyl 4-hydroxy-3-nitrobenzoate
Ingredient name:
CAS number:99-42-3

Section4. First aid measures
Immediately wash skin with copious amounts of water for at least 15 minutes while removing
Skin contact:
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Ingestion:

Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Storage:Store in closed vessels.

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Not specified
Appearance:
Boiling point:No data
Melting point:No data
Flash point:No data
Density:No data
Molecular formula:C8H7NO5
Molecular weight:197.1

Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

毒理学数据:

急性毒性:大鼠经口LDL 0 :2500mg/kg; 大鼠皮肤接触 LD50 : >2 mg/kg ;

生态学数据:

该物质对水有稍微的危害。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DH2528400
CHEMICAL NAME :
Benzoic acid, 4-hydroxy-3-nitro-, methyl ester
CAS REGISTRY NUMBER :
99-42-3
BEILSTEIN REFERENCE NO. :
2115197
LAST UPDATED :
199710
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C8-H7-N-O5

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2500 mg/kg
TOXIC EFFECTS :
Gastrointestinal - ulceration or bleeding from stomach
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0287-0657S
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0287-0657S

危害码 (欧洲) Xi
风险声明 (欧洲) R36/37/38
安全声明 (欧洲) S26-S36/37/39
RTECS号 DH2528400
海关编码 2918290000
海关编码 2918290000
中文概述 2918290000 其他含酚基但不含其他含氧基羧酸及其酸酐、酰卤化物、过氧化物和过氧酸及它们的衍生物。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%
申报要素 品名, 成分含量, 用途
监管条件 A.入境货物通关单 B.出境货物通关单
检验检疫 R.进口食品卫生监督检验 S.出口食品卫生监督检验
Summary HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%