Boc Anhydride (Boc)2O CAS 24424-99-5 Di-tert-Butyl Dicarbonate Purity >99.5% (GC) Factory
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of Di-tert-Butyl Dicarbonate (Boc Anhydride; (Boc)2O) (CAS: 24424-99-5) with high quality. Ruifu Chemical supplys a series of protecting reagents and coupling reagents. We can provide worldwide delivery, competitive price, small and bulk quantities available. Purchase Boc Anhydride, Please contact: alvin@ruifuchem.com
Chemical Name | Di-tert-Butyl Dicarbonate |
Synonyms | (Boc)2O; Boc Anhydride; Boc2O; DiBoc; Di-tert-Butyl Dicarbonate; Di-tert-Butyl Pyrocarbonate; Pyrocarbonic Acid Di-tert-Butyl Ester; Bis(tert-Butoxycarbonyl)oxide |
Stock Status | In Stock, Production Capacity 40 Tons per Month |
CAS Number | 24424-99-5 |
Molecular Formula | C10H18O5 |
Molecular Weight | 218.25 g/mol |
Melting Point | 22.0~24.0℃ |
Boiling Point | 56.0~57.0℃/0.5 mmHg (lit.) |
Flash Point | 37°(99°F) |
Density | 0.950g/cm3 |
Refractive Index n20/D | 1.4089~1.4091 |
Sensitive | Moisture Sensitive, Heat Sensitive |
Water Solubility | Immiscible with Water |
Solubility | Miscible with Toluene, Carbon Tetrachloride, Tetrahydrofuran, Dioxane, Alcohols, Acetone, Acetonitrile and Dimethylformamide |
Storage Temp. | Cool & Dry Place (2~8℃) |
COA & MSDS | Available |
Brand | Ruifu Chemical |
Items | Inspection Standards | Results |
Appearance | Colorless Liquid or White Crystal Solid |
Complies |
Melting Point | 22.0~24.0℃ | 23.0~23.5℃ |
Water by Karl Fischer | ≤0.20% | 0.03% |
Heavy Metals (Pb) | ≤10ppm | <10ppm |
Purity / Analysis Method | >99.5% (GC) | 99.8% |
Infrared Spectrum | Conforms to Structure | Complies |
Proton NMR Spectrum | Conforms to Structure | Complies |
Conclusion | The product has been tested & complies with the specifications | |
Note | This product is low melting point solid,may change state in different environments (solid, liquid or semi-solid) |
Package: Bottle, 25kg/Drum, 180kg/Drum, or according to customer's requirement.
Warning: Hydrolyzes to t-butanol and CO2; causes internal pressure in bottle if exposed to moisture.
Storage Condition: Store in sealed containers at cool and dry (2~8℃) warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide by FedEx / DHL Express. Provide fast and reliable delivery.
Hazard Symbols
T+ - Very toxic
F+ - Highly flammable
Xi - Irritant
Risk Codes
R10 - Flammable
R26 - Very Toxic by inhalation
R36/37/38 - Irritating to eyes, respiratory system and skin.
R43 - May cause sensitization by skin contact
Safety Description
S16 - Keep away from sources of ignition.
S24 - Avoid contact with skin.
S37/39 - Wear suitable gloves and eye/face protection
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs 2929
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Di-tert-Butyl Dicarbonate (Boc Anhydride; (Boc)2O) (CAS: 24424-99-5) is a widely used reagent for introducing protecting groups in peptide synthesis. It serves as a protecting group used in solid phase peptide synthesis.
Di-tert-Butyl Dicarbonate is an acyclic carboxylic anhydride. It is functionally related to a dicarbonic acid.
(Boc)2O is a reagent mainly used for the introduction of the Boc protecting group to amine functionalities. It is also used as a dehydrating agent in some organic reactions, particularly with carboxylic acids, certain hydroxyl groups, or with primary nitroalkanes. Reagent for the preparation of Boc protected amines.
(Boc)2O is especially used in amino acid protection. Used as an intermediate in medicine and organic synthesis, it is an important amino protective agent used in the synthesis of medicine and agrochemical products
Production method Potassium tert-butoxide is dissolved in anhydrous tetrahydrofuran, and dry carbon dioxide is introduced at -5 ~-20℃ to generate a slurry, continue to maintain a low temperature, and add phosgene benzene solution dropwise to prepare tert-butyl tricarbonate. Dissolve it in carbon tetrachloride, add an appropriate amount of 1,4-diazabicyclo [2,2] octane, stir at 25 ℃ to completely release carbon dioxide and convert it into ditert-butyl dicarbonate.
Hazard An irritant that may cause serious eye injury; May cause skin sensitization; Highly toxic by inhalation
Flammability and Explosibility Flammable