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密理博,648310,Tris Base, Molecular Biology Grade - CAS 77-86-1 - Calbiochem
重要规格表
| Empirical Formula | CAS # |
|---|
| C₄H₁₁NO₃
| 77-86-1
|
| Description
|
| Overview | Useful in the pH range of 7.0-9.0. Has a pKa of 8.1 at 25°C. |
| Catalogue Number | 648310 |
| Brand Family |
Calbiochem®
|
| Synonyms | tris(Hydroxymethyl)aminomethane |
| Product Information
|
| CAS number | 77-86-1 |
| Form | White solid |
| Hill Formula | C₄H₁₁NO₃ |
| Chemical formula | C₄H₁₁NO₃ |
| PKA | 8.30 at 20°C |
| Quality Level | MQ100
|
| Biological Information
|
| Purity | ≥99% by titration test (perchloric acid titration) |
| Physicochemical Information
|
| Contaminants | RNases, DNases, proteases: none detected. Absorbance (260 nm): ≤0.03; (280 nm): ≤0.02 |
| Heavy metals | ≤0.0005% |
| Safety Information according to GHS
|
| RTECS | TY2900000 |
| Safety Information
|
| R Phrase | R: 36/38
Irritating to eyes and skin. |
| S Phrase | S: 26
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| Storage and Shipping Information
|
| Ship Code |
Ambient Temperature Only
|
| Toxicity |
Irritant
|
| Storage |
+15°C to +30°C
|
| Do not freeze |
Ok to freeze
|
