If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
grade
ACS reagent
Quality Level
agency
meets USP/NF
vapor density
<0.3 (25 °C, vs air)
vapor pressure
0.0001 hPa ( 20 °C), 1 mmHg ( 146 °C)
assay
95.0-98.0%
form
liquid
impurities
≤2 ppm Substances reducing permanganate (as SO2)
ign. residue
≤5 ppm
color
APHA: ≤10
pH
0.3 (25 °C, 49 g/L in H2O)
bp
~290 °C (lit.)
mp
-20 °C
solubility
water: soluble at 20 °C (caution ! development of heat)
density
1.840 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.2 ppm, nitrate (NO3-): ≤0.5 ppm
cation traces
Al: ≤0.2 ppm, As: ≤0.01 ppm, Au: ≤0.3 ppm, Ca: ≤0.3 ppm, Cr: ≤0.2 ppm, Cu: ≤0.1 ppm, Fe: ≤0.2 ppm, Hg: ≤5 ppb, K: ≤0.3 ppm, Mg: ≤0.3 ppm, Mn: ≤0.2 ppm, NH4+: ≤2 ppm, Na: ≤0.3 ppm, Ni: ≤0.1 ppm, Pb: ≤0.3 ppm, Sn: ≤0.2 ppm, Ti: ≤0.3 ppm, Zn: ≤0.2 ppm, heavy metals (as Pb): ≤1 ppm
shipped in
ambient
storage temp.
room temp
SMILES string
OS(O)(=O)=O
InChI
1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
InChI key
QAOWNCQODCNURD-UHFFFAOYSA-N
Application
Analysis Note
Ammonium (NH4): 2ppm max
Appearance: To pass test
Arsenic (As): 0.01ppm max
Assay: 95.0-98.0%
Calcium (Ca): 0.3ppm max
Chloride (Cl): 0.2ppm max
Chromium (Cr): 0.2ppm max
Color (APHA): 10 max
Copper (Cu): 0.1ppm max
Gold (Au): 0.3ppm max
Heavy metals (as Pb): 1ppm max
Iron (Fe): 0.2ppm max
Lead (Pb): 0.3ppm max
Magnesium (Mg): 0.3ppm max
Manganese (Mn): 0.2ppm max
Mercury (Hg): 5ppb max
Nickel (Ni): 0.1ppm max
Nitrate (NO3): 0.5ppm max
Potassium (K): 0.3ppm max
Residue after ignition: 5ppm max
Sodium (Na): 0.3ppm max
Substances reducing permanganate (as SO2): 2ppm max
Tin (Sn): 0.2ppm max
Titanium (Ti): 0.3ppm max
Zinc (Zn): 0.2ppm max
1 of 1
This Item | |||
|---|---|---|---|
| grade ACS reagent | grade ACS reagent | grade ACS reagent, puriss. p.a. | grade - |
| assay 95.0-98.0% | assay 95.0-98.0% | assay 95.0-97.0% | assay 95-97% |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| agency meets USP/NF | agency suitable for EPA 1613, suitable for SM 4500 - NH3, suitable for SM 5210 | agency USP/NF, reag. ISO, reag. Ph. Eur. | agency - |
| form liquid | form liquid | form liquid | form liquid |
| solubility water: soluble at 20 °C (caution ! development of heat) | solubility water: soluble | solubility - | solubility - |
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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’.
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Find documentation for the products that you have recently purchased in the Document Library.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| SX1244-7 | 04061839444911 |
| SX1244PC-5 | 04061839444942 |
| SX1244-5 | 04061839444881 |
| SX1244-6 | 04061839444904 |
| SX1244-23 | 04061839444874 |
| SX1244-75 | 04061839444928 |
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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