Page 282 - Catalogue 2015

Cat. No. Potassium phosphate monobasic
166523 Molecular biology

Assay (T) 99.0-101.0%w/w pH (5% in water) 4.1-4.5
Chloride (Cl) max. 0.002% A260nm (0.1M) max. 0.005AU
Heavy metals (as Pb) max. 0.001% A280nm (0.1M) max. 0.005AU
Iron (Fe) max. 0.002% DNase activity Not detected
Sodium (Na) max. 0.005% RNase activity Not detected
Loss on drying (105°C) max. 0.2% Protease activity Not detected

2-Propanesulfonyl chloride

CAS [10147-37-2]; EC 233-415-2; CÀHÎClO¿S; M 142.60

D 1.27; m.p. -47°C; b.p. 95°C (60 hPa); UN 3265,8,II,C3

Danger H:314-335; P:260-303+361+353-305+351+338-310-405

Cat. No. 2-Propanesulfonyl chloride
091380 For synthesis

Appearance Clear liquid
Assay (GC, on anhydrous basis) min. 98%
Identity (IR) Passes test

1-Propanol

Synonym: Propyl alcohol

CAS [71-23-8]; EC 200-746-9; CÀHÏO; M 60.1

D 0.80; m.p. -127 °C; b.p. 97 °C; UN 1274,3,III,F1

Danger H:225-318-336; P:210-303+361+353-305+351+338-310-405-501

Cat. No. 1-Propanol
163606 HPLC

Appearance Clear colorless liquid Water (KF) max. 0.05%w/w
T230nm min. 60%
Acidity (as Acetic acid) max. 0.003% T240nm min. 80%
T270nm min. 98.5%
Color (APHA) max. 5
Passes test
Assay (GC, on anhydrous basis) min. 99.8% max. 0.0003%w/w
max. 0.05%w/w
Residue after evaporation max. 0.0003%w/w max. 5ng/L
max. 5ng/L
Filtered through 0.2µm, filled under inert gas. max. 10ng/L
max. 0.1mg/L
Cat. No. 1-Propanol max. 5ng/ml
163684 LV-GC for organic trace analysis min. 60%

Appearance Clear colorless liquid PAH test (<2ppb by HPLC)
Acidity (as Acetic acid) max. 0.002%
Alkalinity (as Ammonia) max. 0.0003% Residue after evaporation
Color (APHA) max. 10
F254nm (as Quinine) max. 1ppb Water (KF)
F365nm (as Quinine) max. 1ppb
Assay (GC, on anhydrous basis) min. 99.8% GC/ECD Dioxins, Furans &
GC/FID suitability (as 2-Octanol) max. 10ng/ml PCB's
GC/ECD Suitability (as H. max. 10ng/L GC/ECD any Pesticide (as
Epoxide) Lindane)
GC/NPD any Pesticide (as
Filtered through 0.2µm, filled under inert gas. Parathion)
Oil index (any hydrocarbon
C10-C40)
GC/ECD volatile impu. (as E.
Dibromide)
T230nm