buffer COLOUR CODED CONCENTRATED SOLUTION PH 7 (PHOSPHATE) YELLOW
phosphate buffer
CAS: 10049-21-5
Molecular Formula: H4NaO5P
buffer COLOUR CODED CONCENTRATED SOLUTION PH 7 (PHOSPHATE) YELLOW - Names and Identifiers
buffer COLOUR CODED CONCENTRATED SOLUTION PH 7 (PHOSPHATE) YELLOW - Physico-chemical Properties
| Molecular Formula | H4NaO5P |
| Molar Mass | 137.992291 |
| Density | 2,04 g/cm3 |
| Melting Point | 100°C -H₂O |
| Boling Point | 399 °C |
| Water Solubility | Soluble in water; insoluble in ethanol, ether and chloroform. |
| Solubility | H2O: 1M, clear, colorless |
| Appearance | White powder |
| Color | White semi-transparentor |
| Odor | Odorless |
| Maximum wavelength(λmax) | ['λ: 260 nm Amax: ≤0.03', , 'λ: 280 nm Amax: ≤0.02'] |
| Merck | 14,8660 |
| PH | 4.1-4.5 (25℃, 50mg/mL in H2O) |
| Storage Condition | Store at +5°C to +30°C. |
| Sensitive | Hygroscopic |
| MDL | MFCD00149208 |
| Physical and Chemical Properties | Solubility: H2O: 1 M, clear, colorless sensitivity: hydrogen WGK Germany:1 RTECS: wa190000 |
buffer COLOUR CODED CONCENTRATED SOLUTION PH 7 (PHOSPHATE) YELLOW - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. S39 - Wear eye / face protection. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 1 |
| RTECS | WA1900000 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 2835 22 00 |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg LD50 dermal Rabbit > 7940 mg/kg |
buffer COLOUR CODED CONCENTRATED SOLUTION PH 7 (PHOSPHATE) YELLOW - Reference
| Reference Show more | 1. [IF=9.147] Yizhou Xu et al."Comparative study of whey protein isolate and gelatin treated by pH-shifting combined with ultrasonication in loading resveratrol."Food Hydrocolloid. 2021 Aug;117:106694 2. [IF=2.998] Peng Fei et al.A novel fluorescence internal filtration immunoassay for the detection of clenbuterol.European Food Research And Technology.2021 Nov 17 |
buffer COLOUR CODED CONCENTRATED SOLUTION PH 7 (PHOSPHATE) YELLOW - Reference Information
| pH indicator color change ph range | 4.1 - 4.5 at 50g/l at 25 c |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 21:11:58
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