Min.Order / FOB Price:Get Latest Price
1 Metric Ton |
Negotiable |
L(+)-Ascorbic acid L-Ascorbic acid(C) (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one
According to the UN GHS revision 10
Version: 1.0
Creation Date: July 15, 2019
Revision Date: July 15, 2019
Product name |
Ascorbic acid |
---|
Product number |
- |
---|---|
Other names |
L-Threoascorbic acid,Antiscorbutic factor,Vitamin C; L-Ascorbic acid; L(+)-Ascorbic acid |
Identified uses |
Industrial and scientific research use. |
---|---|
Uses advised against |
no data available |
Not classified.
Pictogram(s) | No symbol. |
---|---|
Signal word |
No signal word |
Hazard statement(s) |
none |
Precautionary statement(s) | |
Prevention |
none |
Response |
none |
Storage |
none |
Disposal |
none |
no data available
Chemical name | Common names and synonyms | CAS number | EC number | Concentration |
---|---|---|---|---|
Ascorbic acid | Ascorbic acid | 50-81-7 | 200-066-2 | 100% |
If inhaled
Fresh air, rest.
Following skin contact
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Following eye contact
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Following ingestion
Rinse mouth.
SYMPTOMS: Symptoms of exposure to this compound may include irritation of the skin, eyes and respiratory tract. Ingestion of large amounts may cause gastrointestinal distress and diarrhea. Exposure may also cause the formation of renal calcium oxalate calculi. There have been cases of allergic reaction with eczema, urticaria and asthma. The mucolytic effect of this compound might render the cervical mucus less permeable to spermatozoa. ACUTE/CHRONIC HAZARDS: This compound may cause irritation of the skin, eyes and respiratory tract. When heated to decomposition it emits acrid smoke and irritating fumes. (NTP, 1992)
All sources of vitamin C should be withdrawn and treatment for gastrointestinal symptoms provided, including antiemetics. If significant hemolysis occurs, intravenous hydration to maintain urine output should be administered. Monitoring renal function should be performed, and rarely, transfusion of packed red blood cells is required.
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. A water spray may also be used. (NTP, 1992)
Flash point data for this chemical are not available; however, it is probably combustible. (NTP, 1992)
Use water spray, powder.
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.
Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.
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.
Separated from strong oxidants and strong bases.Solutions of ascorbic acid are rapidly oxidized in air and in alkaline media; the drug should be protected from air and light.
Occupational Exposure limit values
no data available
Biological limit values
no data available
Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.
Eye/face protection
Wear safety spectacles.
Skin protection
Protective gloves.
Respiratory protection
Use local exhaust or breathing protection.
Thermal hazards
no data available
Physical state |
PHYSICAL DESCRIPTION: White to very pale yellow crystalline powder with a pleasant sharp acidic taste. Almost odorless. (NTP, 1992) |
---|---|
Colour |
Crystals (usually plates, sometimes needles, monoclinic system) |
Odour |
Odorless |
Melting point/freezing point |
192°C(lit.) |
Boiling point or initial boiling point and boiling range |
83°C/44mmHg(lit.) |
Flammability |
Combustible. |
Lower and upper explosion limit/flammability limit |
no data available |
Flash point |
15°C(lit.) |
Auto-ignition temperature |
1220° F (NTP, 1992) |
Decomposition temperature |
190-192°C |
pH |
Between 2,4 and 2,8 (2 % aqueous solution) |
Kinematic viscosity |
no data available |
Solubility |
greater than or equal to 100 mg/mL at 73° F (NTP, 1992) |
Partition coefficient n-octanol/water |
-2.15 |
Vapour pressure |
9.28X10-11 mm Hg at 25 deg C (est) |
Density and/or relative density |
1.7 |
Relative vapour density |
no data available |
Particle characteristics |
no data available |
The substance is a strong reducing agent. It reacts violently with oxidants. The solution in water is a medium strong acid.
Stable to air when dry; impure preparation and in many natural products vitamin oxidizes on exposure to air and light. Aqueous solutions are rapidly oxidized by air, accelerated by alkalies, iron, copper
L-ASCORBIC ACID is a lactone. Reacts as a relatively strong reducing agent and decolorizes many dyes. Forms stable metal salts. Incompatible with oxidizers, dyes, alkalis, iron and copper. Also incompatible with ferric salts and salts of heavy metals, particularly copper, zinc and manganese (NTP, 1992).
no data available
no data available
When heated to decomposition it emits acrid smoke and irritating fumes.
Acute toxicity
Skin corrosion/irritation
no data available
Serious eye damage/irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
no data available
Reproductive toxicity
no data available
STOT-single exposure
The substance is irritating to the eyes, skin and respiratory tract.
STOT-repeated exposure
no data available
Aspiration hazard
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C.
AEROBIC: Using a mixed microbial consortia enriched from untreated sewage samples collected in the vicinity of a primary treatment plant in Delhi, India, L-ascorbic acid exhibited 36.7 mg/L BOD, suggesting moderate susceptibility to biodegradation(1).
An estimated BCF of 3 was calculated in fish for L-ascorbic acid(SRC), using a log Kow of -1.85(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF suggests the potential for bioconcentration in aquatic organisms is low(SRC).
The Koc of L-ascorbic acid is estimated as 10(SRC), using a log Kow of -1.85(1) and a regression-derived equation(2). According to a classification scheme(3), this estimated Koc value suggests that L-ascorbic acid is expected to have very high mobility in soil. The pKa of L-ascorbic acid is 4.70(4), indicating that this compound will exist almost entirely in the anion form in the environment and anions generally do not adsorb more strongly to soils containing organic carbon and clay than their neutral counterparts(5).
no data available
Product
The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.
Contaminated packaging
Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
ADR/RID: Not dangerous goods. (For reference only, please check.) | IMDG: Not dangerous goods. (For reference only, please check.) | IATA: Not dangerous goods. (For reference only, please check.) |
ADR/RID: Not dangerous goods. (For reference only, please check.) | IMDG: Not dangerous goods. (For reference only, please check.) | IATA: Not dangerous goods. (For reference only, please check.) |
ADR/RID: Not dangerous goods. (For reference only, please check.) | IMDG: Not dangerous goods. (For reference only, please check.) | IATA: Not dangerous goods. (For reference only, please check.) |
ADR/RID: Not dangerous goods. (For reference only, please check.) | IMDG: Not dangerous goods. (For reference only, please check.) | IATA: Not dangerous goods. (For reference only, please check.) |
ADR/RID: No | IMDG: No | IATA: No |
no data available
no data available
Chemical name | Common names and synonyms | CAS number | EC number |
---|---|---|---|
Ascorbic acid | Ascorbic acid | 50-81-7 | 200-066-2 |
European Inventory of Existing Commercial Chemical Substances (EINECS) | Listed. | ||
EC Inventory | Listed. | ||
United States Toxic Substances Control Act (TSCA) Inventory | Listed. | ||
China Catalog of Hazardous chemicals 2015 | Not Listed. | ||
New Zealand Inventory of Chemicals (NZIoC) | Listed. | ||
Philippines Inventory of Chemicals and Chemical Substances (PICCS) | Listed. | ||
Vietnam National Chemical Inventory | Listed. | ||
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) | Listed. | ||
Korea Existing Chemicals List (KECL) | Listed. |
Information on revision
Creation Date | July 15, 2019 |
---|---|
Revision Date | July 15, 2019 |
Abbreviations and acronyms
Package&Shipping
Qingdao Bravery International Trading Co., LTD. is located in the beautiful tourist city of Qingdao, is a comprehensive chemical enterprise which doing import and export business. Product range including, API, pharmacy intermediates,food additive,Surfactant ,fungicides and other general chemicals. etc.
With the developing world market, we adhere to the principle of "quality, service, integrity and development" ,Forge ahead,and constantly in pursuit of higher level of product quality and service.
We warmly welcome customers home and abroad to build mutual trust, mutual benefit and stable cooperation relation.
General items: import and export of goods; Technology import and export; Food additive sales; Feed additive sales; Sales of special chemical products (without hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Livestock and fishery feed sales; Feed raw material sales; Fertilizer sales; Sales of bio-based materials; Health food (pre-packaged) sales; Food sales (pre-packaged food only); Sales of agricultural and sideline products; Pharmaceutical excipients sales; Drug wholesale
We could give you:
1.Best quality in your requirement
2.Competitive price in China market with standard high quality or customize
3.mature Technical support,Well-trained and professional technologist and sales with rich experience in the field for 5-10 years
4.Professional logistic support,Free sample and correct shipping documents dispatched according to regulations of different countries
All we want is win-win business. Send your inquiries, you will get it!
Why choose us:
1.Factory direct sales, so we can provide the competitive price and high quality product base on 5 years of production and R&D experience
2.It is available in stock for quick shipment. Products could be packaged according to customer’s specialized requirements.
3.The products can be transported by Courier, air or sea.
4.Customers will receive the most professional technical support and efficient service.
5.Any inquiries will be replied within 24hours.
6.High purity with test report.
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View