bis(trimethylsilyl)trifluoroacetamide

Modify Date: 2026-07-01 12:55:44

bis(trimethylsilyl)trifluoroacetamide Structure
bis(trimethylsilyl)trifluoroacetamide structure
Common Name bis(trimethylsilyl)trifluoroacetamide
CAS Number 25561-30-2 Molecular Weight 257.401
Density 1.0±0.1 g/cm3 Boiling Point 170.0±50.0 °C at 760 mmHg
Molecular Formula C8H18F3NOSi2 Melting Point -10°C
MSDS Chinese USA Flash Point 56.6±30.1 °C
Symbol GHS02 GHS05
GHS02, GHS05
Signal Word Danger

Summary: N,O-bis(trimethylsilyl)trifluoroacetamide, also known as bis(trimethylsilyl)trifluoroacetamide, has a CAS number of 25561-30-2, with molecular formula C8H18F3NOSi2 and molecular weight 257.401. It appears as a transparent to pale yellow liquid, with a melting point of -10°C and boiling point of 170.0±50.0 °C, and a density of 1.0±0.1 g/cm3. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name N,O-bis(trimethylsilyl)trifluoroacetamide
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.0±0.1 g/cm3
Boiling Point 170.0±50.0 °C at 760 mmHg
Melting Point -10°C
Molecular Formula C8H18F3NOSi2
Molecular Weight 257.401
Flash Point 56.6±30.1 °C
Exact Mass 257.087891
PSA 21.59000
LogP 3.42
Vapour Pressure 1.5±0.3 mmHg at 25°C
Index of Refraction 1.396
InChIKey XCOBLONWWXQEBS-GHXNOFRVSA-N
SMILES C[Si](C)(C)N=C(O[Si](C)(C)C)C(F)(F)F
Storage condition 2-8°C
Water Solubility hydrolyses

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Name: Bis(trimethylsilyl)trifluoroacetamide packaged in 1 ml ampules Material Safety Data Sheet
Synonym: BSTF
CAS: 25561-30-2
Section 1 - Chemical Product MSDS Name:Bis(trimethylsilyl)trifluoroacetamide packaged in 1 ml ampules Material Safety Data Sheet
Synonym:BSTF

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
25561-30-2 Bis(trimethylsilyl)trifluoroacetamide, 99+% 247-103-9
Hazard Symbols: XI
Risk Phrases: 10 36/37/38

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Flammable. Irritating to eyes, respiratory system and skin.Moisture sensitive.The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
No information regarding eye irritation and other potential effects was found.
Skin:
No information regarding skin irritation and other potential effects was found.
Ingestion:
The toxicological properties of this substance have not been fully investigated.
Inhalation:
The toxicological properties of this substance have not been fully investigated.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Flammable liquid and vapor.
Extinguishing Media:
Use agent most appropriate to extinguish fire.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Remove all sources of ignition.
Use a spark-proof tool.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Ground and bond containers when transferring material. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Storage:
Keep away from heat, sparks, and flame. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Liquid
Appearance: clear, colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 45.0 - 50.0 deg C @
Freezing/Melting Point: -10 deg C
Autoignition Temperature: > 300 deg C (> 572.00 deg F)
Flash Point: 43 deg C ( 109.40 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: hydrolysis
Specific Gravity/Density: .9690g/cm3
Molecular Formula: CF3C=NSi(CH3)3OSi(CH3)3
Molecular Weight: 257.39

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, excess heat, electrical sparks.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide, hydrogen fluoride, nitrogen, silicon oxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 25561-30-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Bis(trimethylsilyl)trifluoroacetamide, packaged in 1 ml ampules - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: FLAMMABLE LIQUID, N.O.S.*
Hazard Class: 3
UN Number: 1993
Packing Group: III
IMO
Shipping Name: FLAMMABLE LIQUID, N.O.S.
Hazard Class: 3.3
UN Number: 1993
Packing Group: III
RID/ADR
Shipping Name: FLAMMABLE LIQUID, N.O.S.
Dangerous Goods Code: 3(31C)
UN Number: 1993

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 10 Flammable.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 25561-30-2: No information available.
United Kingdom Occupational Exposure Limits
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 25561-30-2 is not listed on Canada's Ingredient Disclosure List.
Exposure Limits
US FEDERAL
TSCA
CAS# 25561-30-2 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS02 GHS05
GHS02, GHS05
Signal Word Danger
Hazard Statements H226-H314
Supplemental HS Corrosive to the respiratory tract., Reacts violently with water.
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive
Risk Phrases R10;R34
Safety Phrases S26-S36/37/39-S45-S16
RIDADR UN 2924 3/PG 3
WGK Germany 3
Packaging Group III
Hazard Class 3
HS Code 29310095

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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bis(trimethylsilyl)trifluoroacetamide Structure

bis(trimethylsi...

CAS#:25561-30-2

Learn More
Literature: Chemische Berichte, , vol. 103, p. 553 - 560

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bis(trimethylsilyl)trifluoroacetamide Structure

bis(trimethylsi...

CAS#:25561-30-2

Learn More
Literature: Chemische Berichte, , vol. 109, p. 2542 - 2546

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Articles148

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

The dual FAAH/MAGL inhibitor JZL195 has enhanced effects on endocannabinoid transmission and motor behavior in rats as compared to those of the MAGL inhibitor JZL184.

Pharmacol. Biochem. Behav. 124 , 153-9, (2014)

The biological actions of the endocannabinoids anandamide and 2-arachidonoyl glycerol (2-AG) are terminated by enzymatic hydrolysis of these lipids via fatty acid amide hydrolase (FAAH) and monoacylgl...

Direct silylation of Trypanosoma brucei metabolites in aqueous samples and their GC-MS/MS analysis.

J. Chromatogr. B. Analyt. Technol. Biomed. Life Sci. 967 , 134-8, (2014)

A simple two-step method for the derivatization of polar compounds (lactate, alanine, glycerol, succinate and glucose) using hexamethyldisilazane (HMDS) and N,O-bis(trimethylsilyl)trifluoroacetamide (...

Cardiovascular disease-related parameters and oxidative stress in SHROB rats, a model for metabolic syndrome.

PLoS ONE 9(8) , e104637, (2014)

SHROB rats have been suggested as a model for metabolic syndrome (MetS) as a situation prior to the onset of CVD or type-2 diabetes, but information on descriptive biochemical parameters for this mode...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

bis(trimethylsilyl)trifluoroacetamide
N,O-bis-TMS-trifluoroacetamide
N,O-Bis(trimethylsilyl)trifluoroacetamide Kit BSTFA 1 mL × Bis(trimethylsilyl)
8 Reaction vial,capacity
N,O-BSTFA
EINECS 247-103-9
REGISIL(R) RC-1
N,N-bis(trimethylsilyl)-2,2,2-trifluoroacetamide
bstfa kit
BSTFA
REGISIL RC-3
REGISIL RC-2
REGISIL RC-1
bstfa + tmcs
2,2,2-Trifluoro-N,N-bis(trimethylsilyl)acetamide
MFCD00008269

 bis(trimethylsilyl)trifluoroacetamide | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: Molecular weight of N,O-bis(trimethylsilyl)trifluoroacetamide is 257.401.
Q: What are the upstream materials of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: Related upstream materials(CAS) of N,O-bis(trimethylsilyl)trifluoroacetamide: 75-77-4;354-38-1;354-32-5;1070-89-9.
Q: What is the boiling point of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: Boiling point of N,O-bis(trimethylsilyl)trifluoroacetamide is 170.0±50.0 °C at 760 mmHg.
Q: What is the melting point of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: Melting point of N,O-bis(trimethylsilyl)trifluoroacetamide is -10°C.
Q: How is the water solubility of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: Water solubility of N,O-bis(trimethylsilyl)trifluoroacetamide: hydrolyses.
Q: What is the SMILES notation of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: SMILES notation of N,O-bis(trimethylsilyl)trifluoroacetamide is C[Si](C)(C)N=C(O[Si](C)(C)C)C(F)(F)F.
Q: What is the CAS number of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: CAS number of N,O-bis(trimethylsilyl)trifluoroacetamide is 25561-30-2.
Q: What are the downstream products of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: Related downstream products(CAS) of N,O-bis(trimethylsilyl)trifluoroacetamide: 106450-25-3;10586-13-7;111878-20-7;111878-21-8;10586-12-6;33581-77-0;354-38-1;55982-15-5;14246-15-2;18037-10-0.
Q: What is the safety information for N,O-bis(trimethylsilyl)trifluoroacetamide?
A: Safety information for N,O-bis(trimethylsilyl)trifluoroacetamide: S26-S36/37/39-S45-S16.
Q: What is the English name of N,O-bis(trimethylsilyl)trifluoroacetamide?
A: The English name of N,O-bis(trimethylsilyl)trifluoroacetamide is N,O-bis(trimethylsilyl)trifluoroacetamide.

 bis(trimethylsilyl)trifluoroacetamidefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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