ChemicalBook > CAS DataBase List > Disodium 4-nitrophenylphosphate

Disodium 4-nitrophenylphosphate

Product Name
Disodium 4-nitrophenylphosphate
CAS No.
4264-83-9
Chemical Name
Disodium 4-nitrophenylphosphate
Synonyms
PNPP;4-NPP;sodiuM 4-nitrophenyl phosphate;4-PNPP;ABTS<PNPP-NA2;PNPP, 2NA;2-oxazole;PNPP di-NA;PNP-PHOS DINA
CBNumber
CB4219815
Molecular Formula
C6H7NNaO6P
Formula Weight
243.09
MOL File
4264-83-9.mol
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Disodium 4-nitrophenylphosphate Property

Melting point:
>300 °C(lit.)
Density 
1.751 at 20℃
vapor pressure 
15Pa at 20-50℃
storage temp. 
-20°C
solubility 
H2O: 1 tablet/3 mL 25 mM, clear, light yellow
form 
tablets
color 
white to pale yellow
Water Solubility 
Miscible with water. Immiscible with ethanol and acetone.
BRN 
5324661
Stability:
Stable, but may be light sensitive. Incompatible with strong acids, strong bases, strong oxidizing agents.
InChIKey
KAKKHKRHCKCAGH-UHFFFAOYSA-L
LogP
-2.16 at 22℃ and pH6.7
Surface tension
69.34mN/m at 1.051g/L and 20℃
CAS DataBase Reference
4264-83-9(CAS DataBase Reference)
EPA Substance Registry System
Phosphoric acid, mono(4-nitrophenyl) ester, disodium salt (4264-83-9)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
36/38-36/37/38-48/22-41-38-21/22
Safety Statements 
26-36-24/25-23-36/37/39
WGK Germany 
3
F 
10-21
TSCA 
Yes
HS Code 
29199000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H290May be corrosive to metals

H315Causes skin irritation

H318Causes serious eye damage

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P234Keep only in original container.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
4876
Product name
p-Nitrophenyl Phosphate, Disodium Salt, Hexahydrate - CAS 4264-83-9 - Calbiochem
Purity
p-Nitrophenyl Phosphate, Disodium Salt, Hexahydrate, CAS 4264-83-9, is an excellent substrate for alkaline phosphatase-based ELISA assays. Produces yellow soluble end product (405-410 nM).
Packaging
1g
Price
$46.5
Updated
2024/03/01
Sigma-Aldrich
Product number
N7653
Product name
p-Nitrophenyl Phosphate Liquid Substrate System
Purity
liquid
Packaging
100ml
Price
$141
Updated
2024/03/01
Sigma-Aldrich
Product number
4876
Product name
p-Nitrophenyl Phosphate, Disodium Salt, Hexahydrate - CAS 4264-83-9 - Calbiochem
Purity
p-Nitrophenyl Phosphate, Disodium Salt, Hexahydrate, CAS 4264-83-9, is an excellent substrate for alkaline phosphatase-based ELISA assays. Produces yellow soluble end product (405-410 nM).
Packaging
5G
Price
$166
Updated
2024/03/01
Alfa Aesar
Product number
J61401
Product name
4-Nitrophenyl phosphate disodium salt hexahydrate, 5mg tablets
Packaging
100pc
Price
$249
Updated
2024/03/01
TRC
Product number
P653443
Product name
PNPP,DisodiumHexahydrate
Packaging
1g
Price
$65
Updated
2021/12/16
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Disodium 4-nitrophenylphosphate Chemical Properties,Usage,Production

Chemical Properties

White crystalline

Uses

PNPP, Disodium Salt is a colorimetric alkaline phosphatase soluble substrate, p-Nitrophenyl Phosphate (pNPP) is the substrate of choice for use with alkaline phosphatase in Enzyme Linked Immunosorbant Assay (ELISA) procedures.

General Description

Excellent substrate for alkaline phosphatase-based ELISA assays. Produces a yellow soluble end product that can be read at 405 nm to 410 nm. Both kinetic and endpoint determinations can be performed. ε max: ≥9600 cm-1 M-1 at 311 nm in 0.4 M Na2CO3.

Biochem/physiol Actions

Primary TargetSubstrate for phosphatase

Purification Methods

Dissolve it in hot aqueous MeOH, filter and precipitate it by adding Me2CO. Wash the solid with Me2CO and repeat the purification. Aqueous MeOH and Et2O can also be used as solvents. The white fibrous crystals contain less than 1% of free 4-nitrophenol [assay: Axelrod J Biol Chem 167 57 1947]. [Beilstein 6 IV 1327.]

Disodium 4-nitrophenylphosphate Preparation Products And Raw materials

Raw materials

Phosphorus oxychloride 4-Nitrophenol

Preparation Products

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View Lastest Price from Disodium 4-nitrophenylphosphate manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Disodium 4-nitrophenylphosphate 4264-83-9
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
3500kg/month
Release date
2021-09-14
Hebei Weibang Biotechnology Co., Ltd
Product
Disodium 4-nitrophenylphosphate 4264-83-9
Price
US $10.00/KG
Min. Order
100KG
Purity
99%
Supply Ability
100 mt
Release date
2024-11-21
Zhuozhou Wenxi import and Export Co., Ltd
Product
Disodium 4-nitrophenylphosphate 4264-83-9
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10

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