Search results with tag "Methylpyrrolidone"
Solvents - BASF
chemicals.basf.comN-Methylpyrrolidone Standard Grade (NMP) N-Methylpyrrolidone Life Science Grade (NMP LS) N-Ethyl-2-Pyrrolidone (NEP) Tetrahydrofuran (THF) Dimethylformamide (DMF) N,N-Dimethylacetamide (DMAc) Dioxolane Proglyme Key Points: n NMP and NEP are used for peptide synthesis. n NMP Life Science Grade is the solvent of choice for the synthesis of ...
5.11. Nitrosamine Impurities
ipc.gov.indimethylamine [DMA], triethylamine[TEA], N-methylpyrrolidone [NMP]) in the presence of nitrites and acid media. Use of recycled solvents that may contain nitrosamine or their precursors. Use of sanitized water (e.g., chloramines) Insufficient purification.
h467i RESIDUAL SOLVENTS - USP-NF
www.uspnf.commethylpyrrolidone, and sulfolane. Other appropriate validated procedures are to be employed for the quantification of these residual solvents. Such procedures shall be submitted to the USP for review and possible inclusion in the relevant individual monograph.] Table 2. Class 2 Residual Solvents Solvent PDE (mg/day) Concentration Limit (ppm)
Nitrosamines EMEA-H-A5(3)-1490 - Information on ...
www.ema.europa.euN-methylpyrrolidone [NMP], or N, N-dimethylacetamide [DMA]). Information on nitrosamines for marketing authorisation holders EMA/189634/2019 Page 3/5 Tertiary amines include common bases which have already been observed to allow nitrosamine
Nestlé Guidance Note on Packaging Inks
www.nestle.com.pe1-methyl-2-pyrrolidone/ N-Methylpyrrolidone 872-50-4 A Table 7: Minimize list for Solvents: must be minimized* in the ink formulation to reduce the risk of off-odour and taint. Chemical name CAS number Swiss Inks Ordinance Chemical name CAS number Swiss Inks Ordinance Methanol 67-56-1 A Hexylene glycol/ 2- ...
Q3C (R6) Step 5 - impurities: guideline for residual solvents
www.ema.europa.euNMP. Permissible Daily Exposure (PDE) for N-Methylpyrrolidone (NMP): revision of PDE based on new toxicological data. Approval by the Steering Committee of the Revision under Step 2 and release for public consultation. 20 July 2000 Q3C(R2) Note: Prior to adding the revision to the parent Guideline in November 2005, the code was Q3C(M) for NMP.
The Hazardous 100+ List of Chemicals of High Concern ...
saferchemicals.orgJul 17, 2013 · N,N-dimethylacetamide 127-19-5 DMA x C developmental 1 Solvents N-Methylpyrrolidone 872-50-4 NMP x x C developmental 1 Solvents Toluene 108-88-3 x x x developmental 1 Solvents 4-n-Octylphenol 1806-26-4 x x endocrine disruption (Cat 1) 4 Surfactants 4-tert-Octylphenol 140-66-9 tOP x x C endocrine disruption 2 Surfactants
8.4 SOLVENTS IN ORGANIC CHEMISTRY
www.saplinglearning.comN-methylpyrrolidone NMP 202 32 x x methanol CH 3OH MeOH 64.7 33 x x x nitromethane CH 3NO 2 MeNO 2 101.2 36 x x DMF 153.0 37 x x acetonitrile CH 3C'NMeCN 81.6 38 x x sulfolane — 287 (dec) 43 x x dimethylsulfoxide DMSO 189 47 x x formic acid — 100.6 59 x x x water H 2O— 100.0 78 xxx formamide — 211 (dec) 111 x x x
N-Methylpyrrolidone(NMP) (NMP) - CDPH Home
www.cdph.ca.gov5-hydroxy-N- methyl-2-pyrrolidone (5-HNMP) and 2-hydroxy-N- methylsuccinimide (2-HMSI) have been measured in the urine and blood of exposed workers and volunteers in several studies. The results compared well with air levels of NMP. The use of urine and blood tests for monitoring workplace exposure to NMP is still being studied.