China Factory Price Propanedioic Acid CAS 141-82-2 Malonic Acid
ISO 1 Inquiries
141-82-2
0%
100g;1kg;25g
2022-12-31
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Product Description
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Seller Information
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Inquiry History
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Description
Melting point 132-135 °C (dec.) (lit.) density 1.619 g/cm3 at 25 °C refractive index 1.4780 Fp 157°C storage temp. Sealed in dry,Room Temperature solubility 1 M NaOH: soluble100mg/mL, clear to slightly hazy, colorless to faintly yellow pka 2.83(at 25ºC) form Liquid color White
Product description:It is used as complexing agent and also for the preparation of barbiturate salt
Packing
· 1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery- ≤50kg, Express delivery recommended, usually called as DDU service;
- ≤500kg,Air shipping recommended, usually called as CIF service;
- >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
- For high value products, please select air shipping and express delivery for safety.
SHANDONG LOOK CHEMICAL CO.LTD, a new chemical enterprise in researching, manufacturing and supplying of chemicals located in beautiful "Spring City"-Jinan.Our company mainly working on the researching new-born APIs, intermediate ( especially Carbohydrate derivatives series). Meanwhile, we made huge breakthrough in industries of food, feed additives, cosmetics ,dye and industrial chemicals. Our company enjoyed great reputation both domestic and abroad under the belief of "Integrity management,Quality controlling and Customer orientation".
We had been cooperated with NingXia University and Shandong University on more than ten projects for years and which had been in mass production on the market. We now have more than 80 people in our team and built research center in Jinan and Ningxia. Our manufacturing site allocated in chemical industry parks of Zhangqiu, Heze, Dezhou and Ningxia Fine Chemical Park. We strictly complying with ISO9001 and ISO 2000 standard in manufacturing process, our lab and workshop tightly in accordance with GMP standard.Our products best selling in Europe, South and North America,Asia pacific area and Africa. We sincerely welcome new and regular customers around the world visit us for business negotiation.
FAQ- DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. 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.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
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.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
Our Advantage
10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour serviceQuick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.CertificatesBasic Info-
Product Name:
Malonic acid
Other Name:Propanedioic acid;Malonic acid;Carboxyacetic acid;Dicarboxymethane;Methanedicarboxylic acid;1,3-Propanedioic acid;NSC 8124;Malonates;211863-95-5
CAS No.:141-82-2
Molecular Formula:C3H4O4
InChIKeys:InChIKey=OFOBLEOULBTSOW-UHFFFAOYSA-N
Molecular Weight:104.06100
Exact Mass:104.06
EC Number:205-503-0
UNII:9KX7ZMG0MK
ICSC Number:1085
NSC Number:8124
DSSTox ID:DTXSID7021659
Color/Form:White crystals|Crystalline powder|Colorless hygroscopic solid which sublimes in vacuum
HScode:2917190090
Categories:
Characteristics-
PSA:
74.60000
XLogP3:-0.8
Appearance:Malonic acid appears as white crystals or crystalline powder. Sublimes in vacuum. (NTP, 1992)
Density:1.6 g/cm3
Melting Point:135 °C (decomp)
Boiling Point:215 °C @ Press: 14 Torr
Flash Point:201.9ºC
Refractive Index:1.479
Water Solubility:H2O: 1400 g/L (20 ºC)
Storage Conditions:Store at RT.
Vapor Pressure:4.66E-07mmHg at 25°C
PKA:2.85(at 25 °C)
Dissociation Constants:2.85 (at 25 °C)|pKa1 = 2.8, pKa2 = 5.7 at 25 °C
Experimental Properties:Enthalpy of Sublimation: 72.7 kJ/mol at 306 deg K, 108.0 kJ/mol at 348 deg K|Henry's Law constant = 4.8X10-13 atm-cu m/mole at 23 °C (estimated from vapor pressure and water solubility)|Hydroxyl radical reaction rate constant = 1.6X10-12 cu-cm/molc sec at 25 °C (est)
Air and Water Reactions:Water soluble.
Reactive Group:Acids, Carboxylic
Reactivity Profile:MALONIC ACID is a carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. Even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in it to corrode or dissolve iron, steel, and aluminum parts and containers. Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide. Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions This chemical is incompatible with strong oxidizers. It is also incompatible with bases and reducing agents. (NTP, 1992)
Heat of Combustion:Molar heat of combustion: 864 kJ/mol
Heat of Vaporization:92 kJ/mol
Critical Temperature & Pressure:Critical temperature: 805 K (estimated); critical pressure: 5640 kPa (estimated)
Hazard IdentificationClassification of the substance or mixture
Eye irritation, Category 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H319 Causes serious eye irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Separated from bases and strong oxidants.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Location:
hisense intelligence valley,no 2116,of phoenix road
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Payment Terms:
TT against copy of documents,D/P,L/C
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Average lead Time:
7
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Total Annual Revenue:
Less than $1 million
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Total Employees:
11-50
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Year of Establishment:
2017
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
Thailand
Malonic acid
15 KG Jun 16, 2025 Post an enquiry for this product
