Documents
71643
Sodium phosphate dibasic dihydrate
BioUltra, for molecular biology, ≥99.0% (T)
Recommended Products
grade
for molecular biology
Quality Level
product line
BioUltra
Assay
≥99.0% (T)
form
crystals
impurities
DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.001% total nitrogen (N)
pH
8.9-9.2 (25 °C, 0.5 M in H2O)
solubility
H2O: 0.5 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
λ
0.5 M in H2O
UV absorption
λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.03
application(s)
diagnostic assay manufacturing
SMILES string
O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI
1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
InChI key
KDQPSPMLNJTZAL-UHFFFAOYSA-L
Looking for similar products? Visit Product Comparison Guide
Related Categories
1 of 4
This Item | 71645 | 30435 | 71662 |
|---|---|---|---|
| product line BioUltra | product line BioXtra | product line - | product line - |
| assay ≥99.0% (T) | assay ≥98.0% (T) | assay 98.5-101.0% (calc. to the dried substance) | assay 98.0-101.0% (dried substance) |
| form crystals | form crystals | form crystals | form solid |
| impurities DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N) | impurities - | impurities reducing impurities, complies, ≤0.0005% heavy metals (as Pb), ≤0.001% total nitrogen (N), ≤0.5% NaH2PO4 (calc. to dried subst.) | impurities - |
| pH 8.9-9.2 (25 °C, 0.5 M in H2O) | pH 8.8-9.4 (50 mg/mL in H2O) | pH 9.0-9.2 (20 °C, 5%) | pH - |
Application
Other Notes
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.
Difficulty Finding Your Product Or Lot/Batch Number?
How to Find the Product Number
Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).
Example:
Additional examples:
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
enter as 1.000309185)
Having trouble? Feel free to contact Technical Service for assistance.
How to Find a Lot/Batch Number for COA
Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
Aldrich Products
For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').
For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').
For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.
Not Finding What You Are Looking For?
In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.
Customers Also Viewed
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service