Chemical Safety Data Sheet MSDS / SDS
ISOSTEVIOL
Revision Date:2026-04-26Revision Number:1
Product identifier
- Product name: ISOSTEVIOL
- CBnumber: CB8324052
- CAS: 27975-19-5
- Synonyms: isosteviol,(4R,4aS,6aR,9S,11aR,11bS)-4,9,11b-trimethyl-8-oxotetradecahydro-6a,9-methanocyclohepta[a]naphthalene-4-carboxylic acid
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 wordDanger
P501 Dispose of contents/container to..…
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P270 Do not eat, drink or smoke when using this product.
P202 Do not handle until all safety precautions have been read and understood.
P240 Ground/bond container and receiving equipment.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P201 Obtain special instructions before use.
P243 Take precautionary measures against static discharge.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242 Use only non-sparking tools.
P271 Use only outdoors or in a well-ventilated area.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P370+P378 In case of fire: Use … for extinction.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.
P405 Store locked up.
Hazard statements
H314 Causes severe skin burns and eye damage
H341 Suspected of causing genetic defects
H225 Highly Flammable liquid and vapour
Substance
- Product name: ISOSTEVIOL
- Synonyms: isosteviol,(4R,4aS,6aR,9S,11aR,11bS)-4,9,11b-trimethyl-8-oxotetradecahydro-6a,9-methanocyclohepta[a]naphthalene-4-carboxylic acid
- CAS: 27975-19-5
- MF: C20H30O3
- MW: 318.45
Description of first aid measures
General information
No special measures required.
After inhalation
Supply fresh air; consult doctor in case of complaints.
After skin contact
Generally the product does not irritate the skin.
After eye contact
Rinse opened eye for several minutes under running water.
After swallowing
If symptoms persist consult doctor.
Most important symptoms and effects, both acute and delayed
No further relevant information available.
Indication of any immediate medical attention and special treatment needed
No further relevant information available.
Extinguishing media
Suitable extinguishing agents
Use fire fighting measures that suit the environment.
A solid water stream may be inefficient.
A solid water stream may be inefficient.
Special hazards arising from the substance or mixture
No further relevant information available.
Advice for firefighters
Protective equipment
No special measures required.
Personal precautions, protective equipment and emergency procedures
Not required.
Environmental precautions
Do not allow to enter sewers/ surface or ground water.
Methods and material for containment and cleaning up
Pick up mechanically.
Protective Action Criteria for Chemicals
PAC-1
Substance is not listed.
PAC-2
Substance is not listed.
PAC-3
Substance is not listed.
Reference to other sections
See Section 7 for information on safe handling.
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.
Precautions for safe handling
No special measures required.
Information about protection against explosions and fires
No special measures required.
Conditions for safe storage, including any incompatibilities
Storage
Store in accordance with information listed on the product insert.
Requirements to be met by storerooms and receptacles
No special requirements.
Information about storage in one common storage facility
Not required.
Further information about storage conditions
None.
Specific end use(s)
No further relevant information available.
Control parameters
Components with limit values that require monitoring at the workplace
Not required.
Additional information
The lists that were valid during the creation were used as basis.
Exposure controls
Appropriate engineering controls
No further data; see section 7.
Personal protective equipment
General protective and hygienic measures
The usual precautionary measures for handling chemicals should be followed.
Breathing equipment
Not required.
Protection of hands
The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.
Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.
Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
Material of gloves
The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and varies from manufacturer to manufacturer.
Penetration time of glove material
The exact break through time has to be found out by the manufacturer of the protective gloves and has to be observed.
Eye protection
Not required.
Information on basic physicochemical properties
- Physical StateSolid
- ColorAccording to product specification
- OdorCharacteristic
- Structural FormulaC20H30O3
- Molecular Weight318.5 g/mol
- Odor ThresholdNot determined.
- Melting point/Melting range228–230 °C (442.4–446 °F)
- Boiling point/Boiling range455.638 °C (852.1 °F)
- FlammabilityProduct is not flammable.
- Explosion limitsLower: Not determined.
Upper: Not determined. - Flash pointNot applicable.
- Decomposition temperatureNot determined.
- pHNot applicable.
- KinematicNot applicable.
- SOLUBILITYAcetonitrile: Soluble; Chloroform: Soluble
- DynamicNot applicable.
- Solubility in / Miscibility withDMSO:81.5(Max Conc. mg/mL);255.92(Max Conc. mM)
- WaterNot determined.
- Partition coefficient (n-octanol/water)Not determined.
- Vapor PressureNot applicable.
- Density at 20 °C (68 °F)1.15 g/cm³ (9.59675 lbs/gal)
- Relative Density1.15±0.1 g/cm3(Predicted)
- Vapor DensityNot applicable.
- Particle characteristicsNot determined.
- FormSolid
- Ignition temperatureNot determined.
- Danger of explosionProduct does not present an explosion hazard.
- Evaporation RateNot applicable.
Reactivity
No further relevant information available.
Chemical stability
Thermal decomposition / conditions to be avoided
No decomposition if used according to specifications.
Possibility of hazardous reactions
No dangerous reactions known.
Conditions to avoid
No further relevant information available.
Incompatible materials
No further relevant information available.
Hazardous decomposition products
No dangerous decomposition products known.
RTECS Number
RC5532500
Information on toxicological effects
Acute toxicity
LD/LC50 values that are relevant for classification:
| Route | Endpoint | Value |
|---|---|---|
| Oral | LDLO | 5,060 mg/kg (mouse) 3,160 mg/kg (rat) |
| Intraperitoneal | LD50 | 612 mg/kg (mouse) 671 mg/kg (rat) |
Primary irritant effect
on the skin
No irritant effect.
on the eye
No irritating effect.
Sensitization
No sensitizing effects known.
Additional toxicological information
When used and handled according to specifications, the product does not have any harmful effects according to our experience and the information provided to us.
The substance is not subject to classification.
The substance is not subject to classification.
Interactive effects
No interactive effects between components are known.
Carcinogenic categories
IARC (International Agency for Research on Cancer)
Substance is not listed.
NTP (National Toxicology Program)
Substance is not listed.
OSHA-Ca (Occupational Safety & Health Administration)
Substance is not listed.
Alternative sources for toxicological information
No non-standard sources for toxicological information where used.
Toxicity
Aquatic toxicity
No further relevant information available.
Persistence and degradability
No further relevant information available.
Bioaccumulative potential
No further relevant information available.
Mobility in soil
No further relevant information available.
Results of PBT and vPvB assessment
PBT
Not applicable.
vPvB
Not applicable.
PBT:
Not applicable.
vPvB:
Not applicable.
Other adverse effects
Additional ecological information
General notes
Water hazard class 1 (Self-assessment) slightly hazardous for water
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.
Waste treatment methods
Recommendation
Smaller quantities can be disposed of with household waste.
Uncleaned packagings
Recommendation
Disposal must be made according to official regulations.
UN-Number
DOT, IMDG, IATA not regulated
UN proper shipping name
DOT, IMDG, IATA not regulated
Transport hazard class(es)
DOT, ADN, IMDG, IATA
Class not regulated
Class not regulated
Packing group
DOT, IMDG, IATA not regulated
Environmental hazards
Not applicable.
Special precautions for user
Not applicable.
Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code
MARPOL73/78 and the IBC Code Not applicable.
UN "Model Regulation"
not regulated
Safety, health and environmental regulations/legislation specific for the substance or mixture
No further relevant information available.
Sara
| Section 355 (extremely hazardous substances): | Substance is not listed. |
| Section 313 (Specific toxic chemical listings): | Substance is not listed. |
| TSCA (Toxic Substances Control Act): | Substance is not listed. |
| Hazardous Air Pollutants: | Substance is not listed. |
| Chemicals known to cause cancer: | Substance is not listed. |
| Chemicals known to cause reproductive toxicity for females: | Substance is not listed. |
| Chemicals known to cause reproductive toxicity for males: | Substance is not listed. |
| Chemicals known to cause developmental toxicity: | Substance is not listed. |
Carcinogenic categories
| EPA (Environmental Protection Agency): | Substance is not listed. |
TLV (Threshold Limit Value)
Substance is not listed.
NIOSH-Ca (National Institute for Occupational Safety and Health)
Substance is not listed.
Chemical safety assessment
A Chemical Safety Assessment has not been carried out.
Abbreviations and acronyms
IMDG: International Maritime Code for Dangerous Goods
DOT: US Department of Transportation
IATA: International Air Transport Association
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
LC50: Lethal concentration, 50 percent
LD50: Lethal dose, 50 percent
PBT: Persistent, Bioaccumulative and Toxic vPvB: very Persistent and very Bioaccumulative
NIOSH: National Institute for Occupational Safety
OSHA: Occupational Safety & Health
TLV: Threshold Limit Value
PEL: Permissible Exposure Limit
REL: Recommended Exposure Limit
DOT: US Department of Transportation
IATA: International Air Transport Association
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
LC50: Lethal concentration, 50 percent
LD50: Lethal dose, 50 percent
PBT: Persistent, Bioaccumulative and Toxic vPvB: very Persistent and very Bioaccumulative
NIOSH: National Institute for Occupational Safety
OSHA: Occupational Safety & Health
TLV: Threshold Limit Value
PEL: Permissible Exposure Limit
REL: Recommended Exposure Limit
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.