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2,3-Butanedione paramete

CAS No.: 431-03-8
MF: C4H6O2
FEMA No.: 2370
Type: Synthetic Flavour & Fragrance
Purity: 99%
Model Number: CAS 431-03-8
Boiling point: 88 °C(lit.)
Product Name: 2,3-Butanedione
Other Names: 2,3-Butanedione
EINECS No.: 207-069-8
Place of Origin: Shandong, China
Usage: Daily Flavor, Food Flavor, Industrial Flavor
Brand Name: Lookchemical
Melting point: -4--2 °C
color: Clear yellow


Name  2,3-Butanedione/Diacetyl/Biacetyl
 Synonyms  Butane-2,3-dione; Diacetyl
 CAS NO.  431-03-8
 Molecular Formula  C4H6O2
 Molecular Weight  86.09
 FEMA  2370
 EINECS  207-069-8
 Appearance  Yellow Liquid
 Purity  99% Min
 Density  0.981
 B.P.  88 ºC
 Water Solubility  200 g/L (20 ºC)
 Flash Point  7 ºC
 Refractive Index  1.391-1.399


1.It is used for preparing cream flavor and is the main raw material for producing pyrazine flavor

2.It is mainly used to prepare food flavor, is the main flavor of cream flavor, can also be used in milk, cheese and some other flavor. For example in berries, caramel, chocolate, coffee Chemicalbook, cherry, vanilla bean, honey, cocoa, fruit aroma, wine aroma, tobacco aroma, rum, nuts, almonds, ginger and so on. It can also be used in cosmetics with fresh fruit flavor or new flavor..

3.Used for preparing various kinds of milk flavor food flavor, is the cream, margarine, dry cool and candy flavoring agent. It is also used as gelatin hardener and photographic binder.

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.


H225 (98.5%): Highly Flammable liquid and vapor [Danger Flammable liquids]

H302 (93.09%): Harmful if swallowed [Warning Acute toxicity, oral]

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

H317 (89.67%): May cause an allergic skin reaction [Warning Sensitization, Skin]

H318 (97.54%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

H331 (97.24%): Toxic if inhaled [Danger Acute toxicity, inhalation]

H373 (89.73%): Causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]


The storehouse shall be ventilated and dry at low temperature, and stored separately with oxidant


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.


125mL Sample Package; 1L Standard Package; 500mL, 1L/Bottle, 5L, 10L/Drum, 15L, 20L/Carton; or according to customers' requirement.

Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

2,3-Butanedione picture

Packaging and shipping

Honor Certificate

Professional team