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136656-49-0生产厂家

136656-49-0价格

136656-49-0

136656-49-0结构式
136656-49-0结构式

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中文名 3,4-二-O-乙酰基-6-O-(叔丁基二甲基甲硅烷基)-D-半乳醛
英文名 [(2R,3R,4R)-3-acetyloxy-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,4-dihydro-2H-pyran-4-yl] acetate
英文别名 2,3-di-O-acetyl-6-O-tert-butyldimethylsilyl-D-glucal
3,4-di-O-acetyl-6-O-tert.butyldimethylsilyl-glucal
3,4-Di-O-acetyl-6-O-(tert-butyldimethylsilyl)-D-galactal
3,4-di-O-acetyl-6-O-tert-butyldimethylsilyl-D-glucal
MFCD01863632
3,4-di-O-acetyl-6-O-TBDMS-D-glucal
3,4-di-acetyl-6-O-(tert-butyldimethylsilyl)-D-Galactal
密度 1.066g/cm3
沸点 278ºC(lit.)
分子式 C16H28O6Si
分子量 344.47500
闪点 >230 °F
精确质量 344.16600
PSA 71.06000
LogP 2.78410
蒸汽压 0mmHg at 25°C
折射率 n20/D 1.458(lit.)
分子结构

五、分子性质数据:

1、 摩尔折射率:89.88

2、 摩尔体积(m3/mol):323.1

3、 等张比容(90.2K):770.9

4、 表面张力(dyne/cm):32.3

5、 极化率(10-24cm3):35.63

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:6

4.可旋转化学键数量:8

5.互变异构体数量:无

6.拓扑分子极性表面积71.1

7.重原子数量:23

8.表面电荷:0

9.复杂度:466

10.同位素原子数量:0

11.确定原子立构中心数量:3

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


SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name: 3,4-Di-O-acetyl-6-O-(tert-butyldimethylsilyl)-D-
galactal
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.: 136656-49-0
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
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
Label elements
Other hazards - none

SECTION 3: Composition/information on ingredients
Substances
Formula: C16H28O6Si
Molecular Weight: 344,48 g/mol
CAS-No.: 136656-49-0
No components need to be disclosed according to the applicable regulations.

SECTION 4: First aid measures
Description of first aid measures
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration.
In case of skin contact
Wash off with soap and plenty of water.
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.
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, silicon oxides
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
Avoid breathing vapours, mist or gas.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
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
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. Containers which are
opened must be carefully resealed and kept upright to prevent leakage.
Recommended storage temperature: -20 °C
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
General industrial hygiene practice.
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
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
impervious clothing, 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 not required. For nuisance exposures use type OV/AG (US) or type ABEK
(EU EN 14387) respirator cartridges. 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.

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) AppearanceForm: liquid
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 278 °C
boiling range
g) Flash pointno data available
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- no data available
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
Do not store near acids., 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
no data available
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: Not available

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.
Contaminated packaging
Dispose of as unused product.

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



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A
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