2,3-Butanedione CAS 431-03-8 Purity >99.0% (GC)
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of 2,3-Butanedione (Diacetyl) (CAS: 431-03-8) with high quality. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase 2,3-Butanedione (Diacetyl), Please contact: alvin@ruifuchem.com
Chemical Name | 2,3-Butanedione |
Synonyms | Diacetyl; Biacetyl; 2,3-Butadione; Butane-2,3-Dione; 2,3-Diketobutane |
Stock Status | In Stock, Commercial Production |
CAS Number | 431-03-8 |
Molecular Formula | C4H6O2 |
Molecular Weight | 86.09 g/mol |
Melting Point | -4.0 to -2.0℃ |
Boiling Point | 87.0~88.0℃(lit.) |
Flash Point | 10℃(50°F) |
Density | 0.985 g/mL at 20℃ |
Refractive Index n20/D | 1.394(lit.) |
Sensitive | Air Sensitive, Heat Sensitive |
Water Solubility | Soluble in Water, 200 g/L (20℃) |
Solubility | Miscible with Alcohol, Ether; Very Soluble in Acetone |
COA & MSDS | Available |
Sample | Available |
Origin | Shanghai, China |
Brand | Ruifu Chemical |
Items | Inspection Standards | Results |
Appearance | Yellow to Yellow-Green Liquid | Yellow Liquid |
Odor | Has a Very Strong Buttery Odor in Very Dilute Solution | Complies |
Relative Density (25℃/25℃) | 0.978~0.988 | 0.9809 |
Refractive Index n20/D | 1.3920~1.3980 | 1.3950 |
Purity / Analysis Method | >99.0% (GC) | 99.32% |
Infrared Spectrum | Conforms to Structure | Complies |
Conclusion | The product has been tested and complies with the specifications |
Package: Fluorinated Bottle, 20kg/Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry (2~8℃) and well-ventilated warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery.
Stable. Flammable. Incompatible with acids, strong bases, metals, reducing agents and oxidizing agents. Protect from moisture and water. Note low flashpoint.
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.
Risk Codes R11 - Highly Flammable
R20/22 - Harmful by inhalation and if swallowed.
R38 - Irritating to the skin
R41 - Risk of serious damage to eyes
R36/38 - Irritating to eyes and skin.
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R37/38 - Irritating to respiratory system and skin.
Safety Description S9 - Keep container in a well-ventilated place.
S16 - Keep away from sources of ignition.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S39 - Wear eye / face protection.
UN IDs UN 2346 3/PG 2
WGK Germany 2
RTECS EK2625000
FLUKA BRAND F CODES 13
TSCA Yes
HS Code 2914190090
Hazard Class 3
Packing Group II
2,3-Butanedione (Diacetyl) (CAS: 431-03-8) meets GB 2760-1996 standards of edible spices for the moment. It is mainly used for the preparation of food essence like cream, cheese fermentation and coffee typed essence,used in milk, butter, margarine, cheese, sweets and other flavors, such as berry, caramel, chocolate, coffee, cherry, vanilla bean, honey, cocoa, fruit, wine, aroma, rum, nuts, almonds, ginger and so on. It can also be used in fresh fruit fragrance essence for makeup or new type essence in trace amount, and be used as gelatin hardening agent and photographic adhesive agent. 2,3-Butanedione, is a reactive diketone in artificial butter flavors. It is a water-soluble and volatile, alpha-diketone compound that has a buttery odor. Used for the preparation of cream flavor, is the main raw material for the production of pyrazine flavor.
Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control may cause pollution.