Guestbook of GESTIS Substance Database

You can leave your opinions, comments, or suggestions here: new entry in the guestbook
Please notice the legal considerations.
If you have any questions, please send an email to: gestis@dguv.de

Geoff Hodges Canada 25.09.2017 00:25:59
An absolutely fantastic resource!
Thank you, we really appreciate your praise.

Michele Monopoli - Glomax Srl - Italy HSE 16.11.2016 16:38:19
Fantastic
:-))

Mark Rollins, CIH, CSP 03.09.2016 13:31:01
I teach a 4-hour class on using "smart devices" in the health and safety profession. When I get to the section on Apps, I can't tell you how many people are so happy to see a reference like your App. I have used it myself as well, and it is definitely in my "top 10" App list. Along with Angry Birds, of course!
Thank you for your words of praise.

Semicorn School lab 03.02.2016 16:21:50
First your site is amazing and it helps me pretty good with my homework. But i have a question. I was searching for methyl orange but could not find it. When i had found the CAS number on an other site i filled it in at the search and i did find methyl orange but it was put on the site with the name 4-Dimethylaminoazobenzene-4'-sulfonic acid sodium salt. Under identification stood methyl orange so i presume this is metylorange. It is logical to put it under the other name but is there a posibilitie that when you search metyl orange you get redirected to this page? Another question that i have is that at this page i found that it is toxic but there is nothing to be found about first aid at the english and german one. This could be because its new but if not so i would like to know why there is no first aid. Thanks for al the help your site offers me and i hope to get a reaction soon.
Thank you for this hint regarding the search of „methyl orange“. Indeed, methy orange is a synonym of 4-Dimethylaminoazobenzene-4'-sulfonic acid sodium salt. The problem of searching „methyl orange“ is the space between „methyl“ and „orange“. If you type in only „methyl“ and scroll down in the index list you will find „methyl orange“. If you type in „methyl“ and a space, the space will open a new index list. We will try to change this to enable searching either with or without a space. (Supplement 06.10.2016: We have changed the search functionality. Now you can find methyl orange without any problems.) Your 2nd question: The chapters on Occupational Health and Firts Aid are written by experts in this field. We have available this information for more than 2500 substances, but it seems impossible to compile it for all substances in the GESTIS database, due to insufficient information on many substances, due to limited work capacity, and due to the high cost.

Han Damste 22.01.2016 15:15:49
Very informative and easy to use! Looking at pentane I saw density figures absolute and relative to dry air mixed up. Or am I wrong?
We are sorry, there is an error in the database. The first value 0,63 g/cm³ at 20 °C is the liquid density and the second value 2,49 ist the density of the vapour relative to dry air. You will see the corrected data after the next update.

brandweer antwerpen Fire department- hazmat 14.09.2015 14:45:13
and could you change the display to a shorter card allowing an easy overview at a glance of the most important aspects and physical data on an A4 would it be possible to include Emergency response guidebook 2012 safetydistances
We are sorry, changing the display would require a complete new programming of our internet database and this is not possible in the next time, due to limited personell and financial recources.

brandweer antwerpen Fire department- hazmat 14.09.2015 14:37:12
could you add erpg, eagl, teel values http://www.atlintl.com/DOE/teels/teel.html
Thank you for your proposal. We have checked the possibility of inclusion of AEGL, ERPG and TEEL values in the GESTIS database. It seems that a unique list of these values does not exist. The link you recommended http://www.atlintl.com/DOE/teels/teel.html contains 60-minute AEGLs, ERPGs, or TEELs for 3386 substances, but without any indication which value is an AEGL, ERPG, or TEEL. The list was updated last time in 2012. On the other hand, Environmental Protection Agency (EPA) publishes a list of 176 final AEGLs for different exposition periods (10 min, 30 min, 60 min, 4 hr, 8 hr). These values are also recommended by the German Umweltbundesamt. Furthermore, there exist a lot of other similar values, e.g. IDLH (Immediately Dangerous to Life and Health), ERPG (Emergency Response Planning Guidelines), TEEL (Temporary Emergeny Exposure Limits), EEI (Emergency exposure indices), ARE (Acute Reference Exposure), Störfallbeurteilungswerte (SBW), Einsatztoleranzwerte (ETW) et al. So currently it does not seem to be advisable to include any of these lists in the GESTIS database.

Newtec Engineering A/S lab 29.01.2014 10:28:29
I have been looking for tellurium, CAS 13494-80-9 at your database, and as usual I compare with som MSDS from some different supplier. I can see that there is difference in labeling as Sigma and Kiros has signal word- danger, pictogram is different and H301. Hope that if it is wrong in your database, that you will change it. BW Elmedina Dervisevic
You find the answer under the classification in our database. GESTIS advice: Tellurium has been classified by some manufacturers to be "Toxic if swallowed", based on a LD50 = 83 mg/kg. However, this value has been determined for soluble tellurium compounds and is not valid for tellurium metal. Studies by TNO have shown definitely the LD50 (oral, rat) > 5000 mg/kg.

Jaime De Jesus/MEDA/MCH Consumer Healthcare 08.11.2013 18:36:47
Thank you for having this database so accesible and so well sorted with useful information.
Thank you for your complimentary remark. We are continiously working on the database to improve data quality. If you find any errors please do not hazitate to contact us.

Elmedina Dervisevic/Newtec Engineering laboratory 16.10.2013 11:20:19
Thank you very much for making the homepage that can help us to better understanding of the chemicals we are working with. It happens so often at supplier do not have those informations in MSDS and then it is nice to know where to look. Best wishes Elmedina
Many thanks for your commendation.

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