Chemical Safety Data Sheet MSDS / SDS
Magnesium silicate
Revision Date:2026-03-21Revision Number:1
Product identifier
- Product name: Magnesium silicate
- CBnumber: CB9674697
- CAS: 1343-88-0
- EINECS Number: 215-681-1
- Synonyms: FLORISIL;magnesol
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
- Uses advised against: none
Company Identification
- Company: Chemicalbook
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 010-86108875
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordWarning
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
Hazard statements
H335 May cause respiratory irritation
H319 Causes serious eye irritation
H315 Causes skin irritation
Substance
- Product name: Magnesium silicate
- Synonyms: FLORISIL;magnesol
- CAS: 1343-88-0
- EC number: 215-681-1
- MF: MgO3Si
- MW: 100.39
4.1 Description of first-aid measures
If inhaledAfter inhalation: fresh air.
In case of skin contact
In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower.
In case of eye contact
After eye contact: rinse out with plenty of water. Remove contact lenses.
If swallowed
After swallowing: make victim drink water (two glasses at most). Consult doctor if feeling unwell.
4.2 Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2) and/or in section 11
4.3 Indication of any immediate medical attention and special treatment needed
No data available
4.4 Notes to physician
No data available
5.1 Extinguishing media
Suitable extinguishing mediaUse extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable extinguishing media
For this substance/mixture no limitations of extinguishing agents are given.
5.2 Special hazards arising from the substance or mixture
Magnesium oxide silicon oxides
Not combustible.
Ambient fire may liberate hazardous vapours.
Not combustible.
Ambient fire may liberate hazardous vapours.
5.3 Advice for firefighters
In the event of fire, wear self-contained breathing apparatus.
Suppress (knock down) gases/vapors/mists with a water spray jet.
Suppress (knock down) gases/vapors/mists with a water spray jet.
NFPA 704
0
0
0
| HEALTH | 0 | Poses no health hazard, no precautions necessary and would offer no hazard beyond that of ordinary combustible materials | |
| FIRE | 0 | Materials that will not burn under typical fire conditions, including intrinsically noncombustible materials such as concrete, stone, and sand. Materials that will not burn in air when exposed to a temperature of 820 °C (1,500 °F) for a period of 5 minutes.(e.g. Carbon tetrachloride) | |
| REACT | 0 | Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2) | |
| SPEC. HAZ. |
6.1 Personal precautions, protective equipment and emergency procedures
Advice for non-emergency personnel: Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert.
For personal protection see section 8.
For personal protection see section 8.
6.2 Environmental precautions
No special precautionary measures necessary.
6.3 Methods and materials for containment and cleaning up
Observe possible material restrictions (see sections 7 and 10). Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.
6.4 Reference to other sections
For disposal see section 13.
7.1 Precautions for safe handling
For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilities
Storage conditionsTightly closed. Dry.
Storage class
Storage class (TRGS 510): 13: Non Combustible Solids
8.1 Control parameters
Ingredients with workplace control parametersContains no substances with occupational exposure limit values.
8.2 Exposure controls
Appropriate engineering controlsChange contaminated clothing. Wash hands after working with substance.
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). Safety glasses
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 Regulation (EU) 2016/425 and the standard EN 374 derived from it.
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested: (KCL 740 / Aldrich Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested: (KCL 740 / Aldrich Z677272, Size M) data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail sales@kcl.de, 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 EC 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.
Respiratory protection
The selected protective gloves have to satisfy the specifications of Regulation (EU) 2016/425 and the standard EN 374 derived from it.
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested: (KCL 740 / Aldrich Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested: (KCL 740 / Aldrich Z677272, Size M) data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail sales@kcl.de, 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 EC 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.
required when dusts are generated.
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
Control of environmental exposure
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
No special precautionary measures necessary.
Information on basic physicochemical properties
- a) Physical statepowder
- b) Colorwhite
- c) Odorodorless
- d) Melting point/freezing pointMelting point/range: > 1,500 °C - OECD Test Guideline 102
- e) Initial boiling point and boiling rangeNo data available
- f) Flammability (solid, gas)The product is not flammable.
- g) Upper/lower flammability or explosive limitsNo data available
- h) Flash pointNot applicable
- i) Autoignition temperatureNo data available
- j) Decomposition temperatureNo data available
- k) pH9.5 (100g/l, H2O, 20℃)(slurry)
- l) ViscosityViscosity, kinematic: No data available
Viscosity, dynamic: No data available - m) Water solubility0.127 g/l at 30 °C - soluble
- n) Partition coefficient n-octanol/waterNo data available
- o) Vapor pressureNo data available
- p) Density3.21
- Relative density2.06 - 2.10 at 26.6 °C
- r) Particle characteristicsNo data available
- s) Explosive propertiesNo data available
- t) Oxidizing propertiesfollowing Directive 67/548/EEC (Method A17, oxidizing properties).
The product has been shown not to be oxidizing in a test
9.2 Other safety information
No data available
10.1 Chemical stability
The product is chemically stable under standard ambient conditions (room temperature) .
10.2 Possibility of hazardous reactions
no information available
10.3 Conditions to avoid
no information available
10.4 Incompatible materials
No data available
10.5 Hazardous decomposition products
In the event of fire: see section 5
11.1 Information on toxicological effects
Acute toxicityLD50 Oral - Rat - male and female - > 5,000 mg/kg
LC50 Inhalation - Rat - male and female - 1 h - > 20 mg/l (OECD Test Guideline 403)
LD50 Dermal - Rabbit - male and female - > 2,000 mg/kg (OECD Test Guideline 402)
Skin corrosion/irritation
LC50 Inhalation - Rat - male and female - 1 h - > 20 mg/l (OECD Test Guideline 403)
LD50 Dermal - Rabbit - male and female - > 2,000 mg/kg (OECD Test Guideline 402)
Skin - Rabbit
Result: No skin irritation - 24 h (Directive 67/548/EEC, Annex V, B.4.)
Serious eye damage/eye irritation
Result: No skin irritation - 24 h (Directive 67/548/EEC, Annex V, B.4.)
Eyes - Rabbit
Result: No eye irritation - 72 h (OECD Test Guideline 405)
Respiratory or skin sensitization
Result: No eye irritation - 72 h (OECD Test Guideline 405)
Classified based on available data. For more details, see section 2
Germ cell mutagenicity
Classified based on available data. For more details, see section 2
Carcinogenicity
Classified based on available data. For more details, see section 2
Reproductive toxicity
Classified based on available data. For more details, see section 2
Specific target organ toxicity - single exposure
Classified based on available data. For more details, see section 2
Specific target organ toxicity - repeated exposure
Classified based on available data. For more details, see section 2
Aspiration hazard
Classified based on available data. For more details, see section 2
11.2 Additional Information
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
Quantitative data on the toxicity of this product are not available.
Further toxicological data:
Hazardous properties cannot be excluded but are unlikely when the product is handled appropriately.
Inhalation of the dusts should be avoided as even inert dusts may impair respiratory organ functions.
Further data:
Handle in accordance with good industrial hygiene and safety practice.
Quantitative data on the toxicity of this product are not available.
Further toxicological data:
Hazardous properties cannot be excluded but are unlikely when the product is handled appropriately.
Inhalation of the dusts should be avoided as even inert dusts may impair respiratory organ functions.
Further data:
Handle in accordance with good industrial hygiene and safety practice.
12.1 Toxicity
No data available
12.2 Persistence and degradability
No data available
12.3 Bioaccumulative potential
No data available
12.4 Mobility in soil
No data available
12.5 Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
12.6 Endocrine disrupting properties
No data available
12.7 Other adverse effects
No data available
13.1 Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Offer surplus and non-recyclable solutions to a licensed disposal company.
14.1 UN number
ADR/RID: -
IMDG: -
IATA-DGR: -
IMDG: -
IATA-DGR: -
14.2 UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA-DGR: Not dangerous goods
IMDG: Not dangerous goods
IATA-DGR: Not dangerous goods
14.3 Transport hazard class(es)
ADR/RID: -
IMDG: -
IATA-DGR: -
IMDG: -
IATA-DGR: -
14.4 Packaging group
ADR/RID: -
IMDG: -
IATA-DGR: -
IMDG: -
IATA-DGR: -
14.5 Environmental hazards
ADR/RID: no
IMDG Marine pollutant: no
IATA-DGR: no
IMDG Marine pollutant: no
IATA-DGR: no
14.6 Special precautions for user
14.7 Incompatible materials
Further information: Not classified as dangerous in the meaning of transport regulations.
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
National regulatory information
Other regulations
Please pay attention on the waste treatment should also comply with local regulations requirement.
Other regulations
Please pay attention on the waste treatment should also comply with local regulations requirement.
Abbreviations and acronyms
CAS: Chemical Abstracts Service
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
Disclaimer:
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.