http://en.silicafumesupplier.com/crystalline-silica-cas-number.html WebThe CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database. A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted.
SILICA (CRYSTALLINE, RESPIRABLE) - California
WebSep 1, 2016 · \b\ The percentage of crystalline silica in the formula is the amount determined from airborne samples, except in those instances in which other methods have been shown to be applicable. ... it is approximate. * * * * * \d\ The CAS number is for information only. Enforcement is based on the substance name. For an entry covering … WebSilica is found naturally in the environment. It is a compound made from silicon and oxygen and can come in different forms. All silica forms are made from the same chemicals but can have different structures. Silica is divided into two main groups, crystalline silica and amorphous silica (non-crystalline silica). The most common type of crystalline silica … atmen beim yoga
Occupational Exposure to Respirable Crystalline Silica; …
WebTripoli (Crystalline Silica) Identifications. CAS Number: 1317-95-9; Synonyms/Related: Silica, crystalline - tripoli; Silica, Crystalline, Tripoli; Tripoli (Crystalline Silica) Health & Regulatory Guidelines. EPA Regulations: Marine Polutant: No. OSHA Regulations: TWA: Related Resources. USDOT Hazardous Materials Table 49 CFR 172.101 WebProduct Description: Crystalline Silica 11. Identification ofthe substance/preparation and ofthe company/undertaking 1.1. Identification ofthe substance orpreparation ... ComponentI CAS # % Crystalline Silica (quartz) 14808-60-7 98.7 -99.9 Aluminum Oxide 1344-28-1 <1.1 Iron Oxide 1309-37-1 <0.1 Titanium Oxide 13463-67-7 <0.1 I 4. FirstAid ... Silicon dioxide is mostly obtained by mining, including sand mining and purification of quartz. Quartz is suitable for many purposes, while chemical processing is required to make a purer or otherwise more suitable (e.g. more reactive or fine-grained) product. Precipitated silica or amorphous silica is produced by the acidification of solutions of sodium silicate. The gelatinous precipitate or silica gel, is first washed and then dehydrated to produce … atmemini