Guest guest Posted March 9, 2004 Report Share Posted March 9, 2004 , Have you asked these questions of To Die For? Their information on the website is a little vague to be able to answer these questions with any certainty because we don't know the CAS number of the product they are selling. Zeolite is a crystalline alumino-silicate mineral. It warms because when it adsorbs water there is an exothermic reaction -- it creates heat. Did they provide you with an MSDS for the product (their site says it is available on request)? That should give you the basic worker safety precautions to be taken when formulating with it (and should provide the CAS number for your own further research). Here's some information I found while searching for information on this product when I was contemplating purchasing it to play with (ultimately, I didn't buy any, so I'm just sharing general information I sourced on the internet): http://toxnet.nlm.nih.gov/cgi-bin/sis/search/f?./temp/~AR535G:1 Zeolites other than Erionite Authors: Anonymous Source: TA:IARC Monographs on the evaluation of the carcinogenic risk of chemicals to humans PG:307-33 YR:1997 IP: VI:68 Abstract: Exposure data. Zeolites are crystalline alumino-silicate minerals with cage-like crystal structures. Zeolites have been used extensively since the late 1940s in a variety of applications. Naturally occurring zeolites, some of which are fibrous, occur worldwide and many are used in materials for the construction industry, in paper, in agriculture and in other applications. A large number of zeolites have been synthesized for use in detergents, as catalysts and as adsorbents and desiccants. Exposures may occur during the mining, production and use of zeolites. Human carcinogenicity data. No data were available to the Working Group. Animal carcinogenicity data. Clinoptilolite with a particle size in the respirable range was tested for carcinogenicity in rats by intratracheal instillation. No significant increase in the incidence of tumours was found. No adequate study was available to the Working Group on phillipsite. Mordenite was studied for carcinogenicity in one experiment in mice by intraperitoneal injection. No peritoneal tumours were found. Non-fibrous Japanese zeolite was tested for carcinogenicity in one experiment in rats by single intrapleural injection. No increase in pulmonary tumours was found. Synthetic zeolite A was tested for carcinogenicity in one experiment in rats by oral administration in the diet. No increase in tumour incidence was found. Synthetic non-fibrous zeolite was tested for carcinogenicity in rats by inhalation exposure. No increase in pulmonary tumours was found. Synthetic zeolite 4A was tested for carcinogenicity in mice by single intraperitoneal injection. No abdominal tumour was observed. Synthetic zeolites MS4A and MSSA were tested for carcinogenicity in rats by intraperitoneal' intrapleural and subcutaneous injection. No increase in the incidence of tumours was found. Other relevant data. Oral administration of natural and synthetic zeolite particles produced little toxicity in a variety of species. Intratracheal instillation of mordenite in rats produced mild fibrosis and hyperplasia. Inhalation studies in rats and hamsters of synthetic zeolite A produced no significant pulmonary inflammation or interstitial fibrosis Mordenite exhibited low cytotoxicity in vitro. A sample of natural zeolite particles from Chonguruu, Russia, induced aberrant metaphases in human whole blood cultures in vitro. This zeolite sample also induced aberrant metaphases in cells collected by peritoneal ravage of mice after intraperitoneal injection. No data were available to the Working Group on the genetic and related effects of synthetic zeolite. Evaluation. There is inadequate evidence in humans for the carcinogenicity of zeolites other than erionite. There is inadequate evidence in experimental animals for the carcinogenicity of clinoptilolite, phillipsite, mordenite, non-fibrous Japanese zeolite and synthetic zeolites. Overall evaluation. Clinoptilolite, phillipsite, mordenite, non-fibrous Japanese zeolite and synthetic zeolites cannot be evaluated as to their carcinogenicity to humans (Group 3). Keywords: < ANIMAL > carcinogenicity genetic toxicity mutagens toxicokinetics respiratory system blood dust dose response fibres CAS Registry Numbers: 1318-02-1 12173-10-3 12271-42-0 67240-23-7 12173-98-7 12445-20-4 Language: English Entry Month: November, 1997 Year of Publication: 1997 Secondary Source ID: RISKLINE/1997100012 If you do a Google search on Zeolite exothermic or Zoelite safety, you'll come up with all sorts of interesting reading. HTH, www.lotioncrafter.com wrote: I have the zeolite from To Die For. I made the recipe in their formulary, but it came out feeling a little gritty, and the warming quality just simply wasn't there. Did I do something wrong? What IS zeolite? How/Why does it work? What safety precautions need to be taken with it? Thanks in advance for help. Arroyo Quote Link to comment Share on other sites More sharing options...
Guest guest Posted March 9, 2004 Report Share Posted March 9, 2004 Hi , I tried Zeolite from To Die For, too. It didn't do what it was proported to do. If I held some in my hand and added water then it got hot,but when combined in the cream nothing happened. Carol Quote Link to comment Share on other sites More sharing options...
Guest guest Posted March 9, 2004 Report Share Posted March 9, 2004 Carol, You might try to add a higher % to your formulation. I used some at about 39% and can feel heat or rather warmth. I'm still looking for something that will heat better, zeolite just isn't it. My two rupees, Robin Quote Link to comment Share on other sites More sharing options...
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