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7728-40-7

7728-40-7结构式
7728-40-7结构式
  • 常用中文名:去乙基利多卡因
  • 常用英文名:Monoethylglycinexylidide
  • CAS号:7728-40-7
  • 分子式:C12H18N2O
  • 分子量:206.28
  • 相关类别: 研究领域 炎症/免疫
  • 发布时间:2018-02-28 08:00:00
  • 更新时间:2024-01-03 10:32:45
  • 单乙基甘氨酰亚胺是利多卡因(HY-B0185)的代谢产物,通过肝脏细胞色素P-450酶对木质素进行氧化N-脱乙基[1]。

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中文名 去乙基利多卡因
英文名 monoethylglycinexylidide
中文别名 盐酸单乙基甘氨酸二甲基苯胺
英文别名 monoethylglycine-2,6-xylidide
monoethyl glycine xylidide
MEGX
N-Ethylglycinexylidide
ethylaminoacet-2,6-xylidide
L 86
Ethylglycylxylidide
desmethyllidocaine
2-ethylamino-2',6'-dimethylacetanilide
Norlidocaine
2-Ethylamino-2,6-acetoxylidine
2-Ethylamino-2',6'-acetoxylidide
N-(2,6-dimethylphenyl)-2-(ethylamino)acetamide
描述 单乙基甘氨酰亚胺是利多卡因(HY-B0185)的代谢产物,通过肝脏细胞色素P-450酶对木质素进行氧化N-脱乙基[1]。
相关类别
参考文献

[1]. Y S Huang, et al. Measuring lidocaine metabolite--monoethylglycinexylidide as a quantitative index of hepatic function in adults with chronic hepatitis and cirrhosis. J Hepatol. 1993 Aug;19(1):140-7.  

密度 1.047g/cm3
沸点 335.6ºC at 760 mmHg
熔点 242-245ºC
分子式 C12H18N2O
分子量 206.28
闪点 127.8ºC
精确质量 206.14200
PSA 41.13000
LogP 2.31530
外观性状 固体
折射率 1.553
储存条件 2-8°C

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name: MEGX
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.: 7728-40-7
Relevant identified uses of the substance or mixture and uses advised against
Identified uses: Laboratory chemicals, Manufacture of substances



SECTION 2: Hazards identification
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, Oral (Category 3), H301
For the full text of the H-Statements mentioned in this Section, see Section 16.
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Xn HarmfulR22
For the full text of the R-phrases mentioned in this Section, see Section 16.
Label elements
Labelling according Regulation (EC) No 1272/2008
Pictogram
Signal wordDanger
Hazard statement(s)
H301Toxic if swallowed.
Precautionary statement(s)
P301 + P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/
physician.
Supplemental Hazardnone
Statements
Other hazards - none

SECTION 3: Composition/information on ingredients
Substances
Synonyms: N-(2,6-dimethylphenyl)-2-(ethylamino)acetamide
Monoethylglycinexylidide
Norlidocaine
Formula: C12H18N2O
Molecular Weight: 206,28 g/mol
CAS-No.: 7728-40-7
Hazardous ingredients according to Regulation (EC) No 1272/2008
ComponentClassificationConcentration
MEGX
CAS-No.7728-40-7Acute Tox. 3; H301<= 100 %
Hazardous ingredients according to Directive 1999/45/EC
ComponentClassificationConcentration
MEGX
CAS-No.7728-40-7Xn, R22<= 100 %
For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

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. Take victim immediately to hospital. 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
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

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)
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Wear respiratory protection. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure
adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
For personal protection see section 8.
Environmental precautions
Prevent further leakage or spillage if safe to do so. 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.

SECTION 7: 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.
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.
Recommended storage temperature: 2 - 8 °C
Store with desiccant.
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling
the product.
Personal protective equipment
Eye/face protection
Face shield and safety glasses 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
Where risk assessment shows air-purifying respirators are appropriate use a full-face particle
respirator type N99 (US) or type P2 (EN 143) respirator cartridges as a backup to engineering
controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use
respirators and components tested and approved under appropriate government standards such
as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so. Do not let product enter drains.

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) AppearanceForm: solid
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezingno data available
point
f) Initial boiling point and no data available
boiling range
g) Flash pointnot applicable
h) Evapouration 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- log Pow: 1,744
octanol/water
p) Auto-ignitionno 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

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

SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
LD50 Oral - mouse - 234 mg/kg
Remarks: Behavioral:Convulsions or effect on seizure threshold.
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitisation
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: Not available
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.

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

SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. 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.

SECTION 14: Transport information
UN number
ADR/RID: 2811IMDG: 2811IATA: 2811
UN proper shipping name
ADR/RID: TOXIC SOLID, ORGANIC, N.O.S. (MEGX)
IMDG: TOXIC SOLID, ORGANIC, N.O.S. (MEGX)
IATA:Toxic solid, organic, n.o.s. (MEGX)
Transport hazard class(es)
ADR/RID: 6.1IMDG: 6.1IATA: 6.1
Packaging group
ADR/RID: IIIIMDG: IIIIATA: III
Environmental hazards
ADR/RID: noIMDG Marine pollutant: noIATA: no
Special precautions for user
no data available

SECTION 15: 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
For this product a chemical safety assessment was not carried out

SECTION 16: Other information
Full text of H-Statements referred to under sections 2 and 3.
Acute Tox.Acute toxicity
H301Toxic if swallowed.
Full text of R-phrases referred to under sections 2 and 3
Xn Harmful
R22 Harmful if swallowed.
Further information
Copyright 2014 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 :
AN7740000
CHEMICAL NAME :
2',6'-Acetoxylidide, 2-(ethylamino)-
CAS REGISTRY NUMBER :
7728-40-7
BEILSTEIN REFERENCE NO. :
2417108
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C12-H18-N2-O
MOLECULAR WEIGHT :
206.32
WISWESSER LINE NOTATION :
2M1MVR B1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
234 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 179,580,1971

符号 GHS06
GHS06
信号词 Danger
危害声明 H301
警示性声明 P301 + P310
危险品运输编码 UN 2811 6.1 / PGIII
RTECS号 AN7740000
海关编码 2924299090

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文献:NEKTAR THERAPEUTICS AL, CORPORATION Patent: WO2009/54916 A2, 2009 ; Location in patent: Page/Page column 41; 43 ;

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文献:Carrier, M. N.; Battioni, P.; Mansuy, D. Bulletin de la Societe Chimique de France, 1993 , vol. 130, # 3 p. 405 - 416

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详细
文献:Analytical Chemistry, , vol. 83, # 14 p. 5519 - 5525

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文献:Journal of Pharmaceutical Sciences, , vol. 73, # 1 p. 136 - 138

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文献:Biochemical Pharmacology, , vol. 82, # 7 p. 789 - 796

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文献:US2012/22147 A1, ;

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详细
文献:Journal of Pharmaceutical Sciences, , vol. 74, # 11 p. 1219 - 1224
海关编码 2924299090
中文概述 2924299090. 其他环酰胺(包括环氨基甲酸酯)(包括其衍生物以及他们的盐). 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:30.0%
申报要素 品名, 成分含量, 用途, 包装
Summary 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%