LICHROSORB(R) RP8
Synonym(s):Silica gel;Small nuclear ribonucleoprotein Sm D3;Sm-D3;snRNP core protein D3;SNRPD3
- CAS NO.:63231-67-4
- Empirical Formula: H2O3Si
- Molecular Weight: 78.09958
- MDL number: MFCD00165845
- EINECS: 613-187-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
![LICHROSORB(R) RP8 Structural](https://img.chemicalbook.in/CAS/GIF/63231-67-4.gif)
What is LICHROSORB(R) RP8?
Chemical properties
White powder
The Uses of LICHROSORB(R) RP8
Excipient.
The Uses of LICHROSORB(R) RP8
Silica gel, wide pore is mainly used for the dehydrated purification of the industrial gases, the clearance of the organic acids and high polymers in the insulative oil, the purification and separation of the medicines. It is also used in column chromatography without applied pressure (gravity pulled).
What are the applications of Application
Silica gel 60 is a useful product for column chromatography (HPLC)
Definition
LICHROSORB(R) RP8 is an adsorbent consisting of amorphous silica produced by the reaction of sodium silicate with mineral acid.
Purification Methods
Before use as a drying agent, silica gel is heated in an oven, then cooled in a desiccator. Conditions in the literature range from heating at 110o for 15hours to 250o for 2-3hours. Silica gel has been purified by washing with hot acid (in one case successively with aqua regia, conc HNO3, then conc HCl; in another case it was digested overnight with hot conc H2SO4), followed by exhaustive washing with distilled water (one week in a Soxhlet apparatus has also been used), and prolonged oven drying. Alternatively, silica gel has been extracted with acetone until all soluble material was removed, then dried in a current of air, washed with distilled water and oven dried. Silica gel has also been washed successively with water, M HCl, water, and acetone, then activated at 110o for 15hours. Silicon monoxide [10097 -28 -6] M 44.1, m > 1700o, d 4 2.18. Purify the monoxide by sublimation in a porcelain tube in a furnace at 1250o (4hours) in a high vacuum (10-4mm) in a stream of N2. It is obtained as brownish black scales. [Schenk in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 696 1963.]
Properties of LICHROSORB(R) RP8
Boiling point: | approximate 3,000℃ |
storage temp. | Store at RT. |
form | Solid |
color | White |
Water Solubility | Soluble in hydrofluoric acid. Insoluble in water. |
Sensitive | Hygroscopic |
Merck | 14,8493 |
Exposure limits | NIOSH: IDLH 3000 mg/m3; TWA 6 mg/m3 |
EPA Substance Registry System | Silica gel (63231-67-4) |
Safety information for LICHROSORB(R) RP8
Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 ![]() Health Hazard GHS08 ![]() Environment GHS09 |
GHS Hazard Statements |
H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H350:Carcinogenicity H360:Reproductive toxicity H373:Specific target organ toxicity, repeated exposure H401:Hazardous to the aquatic environment, acute hazard H411:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P201:Obtain special instructions before use. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. P405:Store locked up. |
Computed Descriptors for LICHROSORB(R) RP8
InChIKey | IJKVHSBPTUYDLN-UHFFFAOYSA-N |
Abamectin manufacturer
JSK Chemicals
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