Merck 106340 Sodium hydrogen selenite for...
Merck 106340 Sodium hydrogen selenite for microbiology. CAS No. 7782-82-3, EC Number 231-966-3.
Synonyms: Sodium biselenite
ph Value: 5.5 (20 g/l, H₂O, 25 °C)
Çözünürlük: 580 g/l
Katalog No: 100242.5000
Marka: Merck
Synonyms: 2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid
CAS #: 5949-29-1
EC Numarası: 201-069-1
Molar Kütle: 210.14 g/mol
Tepe Formülü: C₆H₈O₇ * H₂O
Grade: Ph Eur,BP,ChP,JP,USP,E 330,FCC
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| CAS # | EC Numarası | Tepe Formülü | Molar Kütle | Kalite Değeri |
|---|---|---|---|---|
| 5949-29-1 | 201-069-1 | C₆H₈O₇ * H₂O | 210.14 g/mol | Ph Eur,BP,ChP,JP,USP,E 330,FCC |
| Açıklama | |
|---|---|
| Katalog Numarası | 100242 |
| Eş anlamlı | 2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid |
| Ürün Bilgisi | |
|---|---|
| CAS Numarası | 5949-29-1 |
| EC Numarası | 201-069-1 |
| Grade | Ph Eur,BP,ChP,JP,USP,E 330,FCC |
| Tepe Formülü | C₆H₈O₇ * H₂O |
| Molar Kütle | 210.14 g/mol |
| HS Kodu | 2918 14 00 |
| Structure formula Image | |
| Quality Level | MQ500 |
| Fizikokimyasal Bilgiler | |
|---|---|
| Yoğunluk | 1.54 g/cm3 (20 °C) |
| Parlama Noktası | 173.9 °C Not applicable |
| Erime Noktası | 135 - 152 °C |
| pH Değeri | 1.85 (50 g/l, H₂O, 25 °C) |
| Buhar basıncı | <1 Pa (25 °C) |
| Kütle yoğunluğu | 800 - 1000 kg/m3 |
| Çözünürlük | 880 g/l |
| Özellikler | |
|---|---|
| Assay (alkalimetric, calculated on anhydrous substance) | 99.5 - 100.5 % |
| Özdeşlik (IR-spectrum) | Testi geçer |
| Özdeşlik (wet chemistry) | Testi geçer |
| Appearance | white to almost white or colorless crystals |
| Appearance of solution (200 g/l; water) | clear (≤ 1.5 NTU) and not more intense in color than reference solution Y₇, BY₇ or GY₇ |
| Chloride (Cl) | ≤ 5 ppm |
| Sulfate (SO₄) | ≤ 50 ppm |
| Heavy metals (as Pb) | ≤ 5 ppm |
| Al (Aluminium) | ≤ 0.2 ppm |
| As (Arsenic) | ≤ 1 ppm |
| Ca (Calcium) | Testi geçer |
| Fe (Iron) | ≤ 10 ppm |
| Hg (Mercury) | ≤ 1 ppm |
| Pb (Lead) | ≤ 0.5 ppm |
| Oxalates (as C₂H₂O₄) | ≤ 100 ppm |
| Oxalate (C₂H₂O₄) (ChP) | Testi geçer |
| Residual solvents (ICH (Q3C)) | excluded by manufacturing process |
| Readily carbonisable substance | Testi geçer |
| Sulfated ash (600 °C) | ≤ 0.05 % |
| Su (according to Karl Fischer) | 7.5 - 8.8 % |
| Bacterial endotoxins | < 0.5 |
| Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). | |
| Corresponds to Ph. Eur., BP, ChP, JP, USP, E 330, FCC Conforms to the purity criteria on food additives according to the current European Commission Regulation. | |