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120144-90-3结构式
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中文名 甲基铝氧烷
英文名 methylaluminoxane
中文别名 甲基甲氧基铝溶液
英文别名 Methylaluminoxane solution
Methylaluminoxane
MFCD00192274
Polymethylaluminoxane
MAO
MethylaluminoxaneMAO
MAO in Toluene
Poly[oxy(methylaluminio)]
密度 0.875 g/mL at 25ºC
沸点 111ºC
分子式 C3H9Al3O3
分子量 174.04600
精确质量 174.00000
PSA 27.69000
LogP 1.54620
蒸汽压 0.76 mm Hg ( 60 °C)
储存条件

保持贮藏器密封、储存在阴凉、干燥的地方,确保工作间有良好的通风或排气装置

稳定性

如果遵照规格使用和储存则不会分解,未有已知危险反应,避免强氧化物、酸、酒精、卤素、

更多

1. 性状:液体

2. 密度(g/mL,25ºC):0.875

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):未确定

5. 沸点(ºC):111

6. 沸点(ºC,50mmHg):未确定

7. 折射率:未确定

8. 闪点(°F):未确定

9. 比旋光度(ºF):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(kPa,20ºC):0.76

12. 饱和蒸气压(kPa,110ºC):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:与水反应


SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name: Methylaluminoxane solution
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.
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
Pyrophoric liquids (Category 1), H250
Substances and mixtures, which in contact with water, emit flammable gases (Category 1), H260
Skin irritation (Category 2), H315
Reproductive toxicity (Category 2), H361d
Specific target organ toxicity - single exposure (Category 3), Central nervous system, H336
Specific target organ toxicity - repeated exposure (Category 2), H373
Aspiration hazard (Category 1), H304
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 HarmfulR65, R48/20
Xn HarmfulR63
Xi IrritantR38
R67
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)
H250Catches fire spontaneously if exposed to air.
H260In contact with water releases flammable gases which may ignite
spontaneously.
H304May be fatal if swallowed and enters airways.
H315Causes skin irritation.
H336May cause drowsiness or dizziness.
H361dSuspected of damaging the unborn child.
H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statement(s)
P222Do not allow contact with air.
P223Keep away from any possible contact with water, because of violent
reaction and possible flash fire.
P231 + P232Handle under inert gas. Protect from moisture.
P261Avoid breathing vapours.
P370 + P378In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for
extinction.
P422Store contents under inert gas.
Supplemental Hazardnone
Statements
According to European Directive 67/548/EEC as amended.
Hazard symbol(s)Xn Harmful
R-phrase(s)
R38Irritating to skin.
R48/20Harmful: danger of serious damage to health by prolonged exposure
through inhalation.
R63Possible risk of harm to the unborn child.
R65Harmful: may cause lung damage if swallowed.
R67Vapours may cause drowsiness and dizziness.
S-phrase(s)
S36/37Wear suitable protective clothing and gloves.
S62If swallowed, do not induce vomiting: seek medical advice immediately
and show this container or label.
Other hazards - none

SECTION 3: Composition/information on ingredients
Mixtures
Synonyms: MAO
Formula: CH3AlO CH3AlO
Molecular Weight: 58,02 g/mol
Hazardous ingredients according to Regulation (EC) No 1272/2008
ComponentClassificationConcentration
Toluene
CAS-No.108-88-3Flam. Liq. 2; Skin Irrit. 2; Repr.50 - 100 %
EC-No.203-625-92; STOT SE 3; STOT RE 2;
Index-No.601-021-00-3Asp. Tox. 1; H225, H304,
H315, H336, H361d, H373
Hazardous ingredients according to Directive 1999/45/EC
ComponentClassificationConcentration
Toluene
CAS-No.108-88-3F, Xn, Repr.Cat.3, R11 - R38 - 50 - 100 %
EC-No.203-625-9R48/20 - R63 - R65 - R67
Index-No.601-021-00-3
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. Consult a physician.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Do NOT induce vomiting. 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
Dry powder
Special hazards arising from the substance or mixture
no data available
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
Use personal protective equipment. Avoid breathing vapours, mist or gas. Ensure adequate ventilation.
Evacuate personnel to safe areas.
For personal protection see section 8.
Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the
environment must be avoided.
Methods and materials for containment and cleaning up
Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and
place in container for disposal according to local regulations (see section 13). Do not flush with water.
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 inhalation of vapour or mist.
Keep away from sources of ignition - No smoking.
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.
Never allow product to get in contact with water during storage.
Recommended storage temperature: 2 - 8 °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
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
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.
Full contact
Material: Fluorinated rubber
Minimum layer thickness: 0,7 mm
Break through time: 480 min
Material tested:Vitoject® (KCL 890 / Z677698, Size M)
Splash contact
Material: Fluorinated rubber
Minimum layer thickness: 0,7 mm
Break through time: 480 min
Material tested:Vitoject® (KCL 890 / Z677698, Size M)
data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, test method: EN374
If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
contact the supplier of the CE approved gloves. This recommendation is advisory only and must
be evaluated by an industrial hygienist and safety officer familiar with the specific situation of
anticipated use by our customers. It should not be construed as offering an approval for any
specific use scenario.
Body Protection
Complete suit protecting against chemicals, Flame retardant antistatic protective 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
Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator
with multi-purpose combination (US) or type ABEK (EN 14387) 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. Discharge into
the environment must be avoided.

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) AppearanceForm: clear, liquid
Colour: colourless
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 111 °C
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 pressure1,01 hPa at 60 °C
l) Vapour densityno data available
m) Relative density0,875 g/cm3 at 25 °C
n) Water solubilityno data available
o) Partition coefficient: n- no data available
octanol/water
p) Auto-ignitionThe substance or mixture is pyrophoric with the category 1.
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
Reacts violently with water.
Conditions to avoid
Exposure to moisture.
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
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:3 - Group 3: Not classifiable as to its carcinogenicity to humans (Toluene)
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
Inhalation studies on toluene have demonstrated the development of inflammatory and ulcerous lesions of
the penis, prepuce, and scrotum in animals., Material is extremely destructive to tissue of the mucous
membranes and upper respiratory tract, eyes, and skin., spasm, inflammation and edema of the larynx,
spasm, inflammation and edema of the bronchi, pneumonitis, pulmonary edema, burning sensation,
Cough, wheezing, laryngitis, Shortness of breath, Headache

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
Toxic to aquatic life.

SECTION 13: Disposal considerations
Waste treatment methods
Product
Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting
as this material is highly flammable. 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: 3394IMDG: 3394IATA: 3394
UN proper shipping name
ADR/RID: ORGANOMETALLIC SUBSTANCE, LIQUID, PYROPHORIC, WATER-REACTIVE (Toluene,
Poly[oxy(methylaluminin)])
IMDG: ORGANOMETALLIC SUBSTANCE, LIQUID, PYROPHORIC, WATER-REACTIVE (Toluene,
Poly[oxy(methylaluminin)])
IATA:Organometallic substance, liquid, pyrophoric, water-reactive (Toluene,
Poly[oxy(methylaluminin)])
Passenger Aircraft: Not permitted for transport
Cargo Aircraft: Not permitted for transport
Transport hazard class(es)
ADR/RID: 4.2 (4.3)IMDG: 4.2 (4.3)IATA: 4.2 (4.3)
Packaging group
ADR/RID: IIMDG: IIATA: -
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.
Asp. Tox.Aspiration hazard
Flam. Liq.Flammable liquids
H225Highly flammable liquid and vapour.
H250Catches fire spontaneously if exposed to air.
H260In contact with water releases flammable gases which may ignite spontaneously.
H304May be fatal if swallowed and enters airways.
H315Causes skin irritation.
H336May cause drowsiness or dizziness.
H361dSuspected of damaging the unborn child.
H373May cause damage to organs through prolonged or repeated exposure.
Repr.Reproductive toxicity
Skin Irrit.Skin irritation
STOT RESpecific target organ toxicity - repeated exposure
STOT SESpecific target organ toxicity - single exposure
Full text of R-phrases referred to under sections 2 and 3
FHighly flammable
XnHarmful
R11Highly flammable.
R38Irritating to skin.
R48/20Harmful: danger of serious damage to health by prolonged exposure through
inhalation.
R63Possible risk of harm to the unborn child.
R65Harmful: may cause lung damage if swallowed.
R67Vapours may cause drowsiness and dizziness.
Repr.Cat.3Toxic to Reproduction Category 3
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.
危害码 (欧洲) F,C
风险声明 (欧洲) 11-14-17-34-48/20-63-65-67-38
安全声明 (欧洲) S26-S45-S62-S36-S37-S39
危险品运输编码 UN 3394 4.2/PG 1
WGK德国 2