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Oxalic acid dihydrate

Product Name
Oxalic acid dihydrate
CAS No.
6153-56-6
Chemical Name
Oxalic acid dihydrate
Synonyms
Oxalate Acid;Has two acid;OxalicAcidGr;OXALIC ACID 2H2O;OXALIC ACID PURE;ETHANEDIOIC ACID;Ethanedionic acid;ic acid dihydrate;OxalicAcidPurified;Oxalsαure-dihydrat
CBNumber
CB1303757
Molecular Formula
C2H6O6
Formula Weight
126.07
MOL File
6153-56-6.mol
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Oxalic acid dihydrate Property

Melting point:
104-106 °C(lit.)
Boiling point:
108-109°C
Density 
1,65 g/cm3
vapor density 
4.4 (vs air)
vapor pressure 
<0.01 mm Hg ( 20 °C)
Flash point:
157°C
storage temp. 
Store at RT.
solubility 
H2O: soluble1M at 20°C, clear, colorless
form 
Powder/Solid
Specific Gravity
1.65
color 
Yellow to yellow-green
PH
~1.0 (25℃, 1M in H2O)
PH Range
6 - 8 at 25 °C
Water Solubility 
138 g/L (20 ºC)
Merck 
14,6911
Sublimation 
157 ºC
BRN 
3679436
Exposure limits
TLV-TWA for anhydrous acid 1 mg/m3 (ACGIH, MSHA, and OSHA); TLV-STEL 2 mg/m3 (ACGIH).
Stability:
Stable. Incompatible with bases, acid chlorides, steel, silver, silver compounds, moisture. Avoid contact with metals.
InChIKey
GEVPUGOOGXGPIO-UHFFFAOYSA-N
CAS DataBase Reference
6153-56-6(CAS DataBase Reference)
NIST Chemistry Reference
Oxalic acid dihydrate(6153-56-6)
EPA Substance Registry System
Oxalic acid dihydrate (6153-56-6)
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Safety

Hazard Codes 
Xn,C
Risk Statements 
21/22-41
Safety Statements 
24/25-39-37-36-26
RIDADR 
UN 3261 8/PG 3
WGK Germany 
1
RTECS 
RO2450000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29171100
Toxicity
LD50 orally in Rabbit: 375 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H312Harmful in contact with skin

H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P321Specific treatment (see … on this label).

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.18242
Product name
Oxalic acid dihydrate
Purity
for synthesis
Packaging
100 g
Price
$31.36
Updated
2021/03/22
Sigma-Aldrich
Product number
1.00495
Product name
Oxalic acid dihydrate
Purity
for analysis EMSURE? ACS,ISO,Reag. Ph Eur
Packaging
100 g
Price
$77.7
Updated
2021/03/22
Sigma-Aldrich
Product number
8.18242
Product name
Oxalic acid dihydrate
Purity
for synthesis
Packaging
1 kg
Price
$83.99
Updated
2021/03/22
Sigma-Aldrich
Product number
OX0270
Product name
Oxalic Acid, Dihydrate
Purity
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Packaging
500 g
Price
$95.27
Updated
2021/03/22
Sigma-Aldrich
Product number
1.00495
Product name
Oxalic acid dihydrate
Purity
for analysis EMSURE? ACS,ISO,Reag. Ph Eur
Packaging
500 g
Price
$132.27
Updated
2021/03/22
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Oxalic acid dihydrate Chemical Properties,Usage,Production

Chemical Properties

white crystals

Uses

Oxalic acid dihydrate is a purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline , Chloramphenicol , etc; * Precipitating agent in Rare-earth mineral processing; * Bleaching agent in the textile activities, wood pulp bleaching; * Rust-remover for Metal treatment; * Grinding agent, such as Marble polishing; * Waste water treatment, removing calcium from water.

Uses

A diprotic reducing agent used as a buffer.

Uses

Oxalic acid occurs in the cell sap of Oxalisand Rumex species of plants as the potassium and calcium salt. It is the metabolicproduct of many molds (Merck 1989). Thereare a large number of applications of thiscompound, including indigo dyeing; calicoprinting; removal of paint, rust, and inkstains; metal polishing; bleaching leather; inpesticide compositions and manufacture ofoxalates. It is also used as an analyticalreagent and as a reducing agent in organicsynthesis.
Addition of oxalic acid to chromic acid forthe anodizing of Al alloy has been reported tomodify the morphology and improve the corrosion performance of anodic films (Moutarlier et al. 2004). Also, it is a very effectiveadditive for the ozone treatment of cellulose.It prevents the degradation of cellulose fromozone bleaching.

Reactivity Profile

At high temperatures oxalic acid decomposes, producing toxic carbon monoxide, andformic acid. Mixing with warm sulfuric acidmay produce the same products: CO2, CO,and formic acid. It reacts with many silvercompounds, forming explosive silver oxalate(NFPA 1986). An explosion occurred whenwater was added to an oxalic acid/sodiumchlorite mixture in a stainless steel beaker.There was also evolution of highly toxicchlorine dioxide gas (MCA 1962). Oxalicacid reacts violently with strong oxidizingsubstances.

Health Hazard

Oxalic acid is a strong poison. The toxicsymptoms from ingestion include vomiting, diarrhea, and severe gastrointestinaldisorder, renal damage, shock, convulsions,and coma. Death may result from cardiovascular collapse. The toxicity arises asoxalic acid reacts with calcium in the tissuesto form calcium oxalate, thereby upsettingthe calcium/potassium ratio (ACGIH 1986).Deposition of oxalates in the kidney tubulesmay result in kidney damage (Hodgson et al.1988).
Oxalic acid may be absorbed into the bodythrough skin contact. It is corrosive to theskin and eyes, producing burns. Dilute solutions of 10% strength may be a mild irritantto human skin. However, the inhalation toxicity is low because of its low vapor pressure.Airborne dusts can produce eyeburn and irritation of the respiratory tract.
LD50 value, oral (rats): 375 mg/kg.

Purification Methods

Crystallise oxalic acid from distilled water. Dry it in a vacuum over H2SO4. The anhydrous acid can be obtained by drying at 100o overnight. [Beilstein 2 IV 1819.]

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Oxalic acid dihydrate Suppliers

Langfang pengcai fine chemical co., ltd.
Tel
0316-2132008- ;010-87741387- ;010-87741387-
Fax
0316-2132005
Email
13671393780@163.com;13671393780@163.com;13671393780@163.com
Country
China
ProdList
285
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Spectrum Chemical Manufacturing Corp.
Tel
021-67601398-809
Fax
021-57711696
Email
marketing_china@spectrumchemical.com;
Country
China
ProdList
9686
Advantage
60
VWR(Shanghai) Co., Ltd
Tel
400-821-8006
Fax
+86-21-58558801
Email
info_china@vwr.com
Country
China
ProdList
3044
Advantage
75
Shanghai Boyle Chemical Co., Ltd.
Tel
Mr Qiu:021-50182298(Demestic market) Miss Xu:021-50180596(Abroad market)
Fax
+86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2213
Advantage
55
J & K SCIENTIFIC LTD.
Tel
010-82848833- ;010-82848833-
Fax
86-10-82849933
Email
jkinfo@jkchemical.com;market6@jkchemical.com
Country
China
ProdList
96815
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76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
21-61259100-
Fax
86-21-61259102
Email
sh@meryer.com
Country
China
ProdList
40264
Advantage
62
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801
Fax
86-21-50328109
Email
3bsc@sina.com
Country
China
ProdList
15877
Advantage
69
Alfa Aesar
Tel
400-610-6006; 021-67582000
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30159
Advantage
84
Beijing dtftchem Technology Co., Ltd.
Tel
13651141086; 86(10)60275028、60275820
Fax
86 (10) 60270825
Email
dtftchem@sina.com
Country
China
ProdList
3392
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62
BeiJing Hwrk Chemicals Limted
Tel
0757-86329057-
Fax
0757-86311057
Email
sales.gd@hwrkchemical.com
Country
China
ProdList
17295
Advantage
55
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View Lastest Price from Oxalic acid dihydrate manufacturers

Hebei Dongdu Import and Export Co. LTD
Product
Oxalic acid dihydrate 6153-56-6
Price
US $0.60/Kg/Bag
Min. Order
1T
Purity
99.6%;99%;96%
Supply Ability
20 tons
Release date
2020-11-24
Hebei Henghe Import and Export Trading Co. LTD
Product
Purity 99.6%Min Oxalic Acid Dihydrate 6153-56-6
Price
US $600.00/KG
Min. Order
500KG
Purity
99%
Supply Ability
5000
Release date
2021-07-23
Hebei Senko Biotechnology Co., Ltd.
Product
Oxalic acid dihydrate 6153-56-6
Price
US $10.00/Kg/Bag
Min. Order
1KG
Purity
99%
Supply Ability
10 Tons
Release date
2021-07-21

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