Ammonium hydroxide solution
SIGALD/30501 - puriss. p.a., reag. ISO, reag. Ph. Eur., ~25% NH3 basis
Synonym: Ammonia aqueous; Ammonia water
CAS Number: 1336-21-6
Empirical Formula (Hill Notation): H5NO
Molecular Weight: 35.05
MDL Number: MFCD00066650
Linear Formula: NH4OH
Product Type: Chemical
agency | reag. ISO |
reag. Ph. Eur. | |
USP/NF | |
anion traces | carbonate (as CO2): ≤10 ppm |
carbonate (CO32-): ≤60 ppm | |
chloride (Cl-): ≤0.5 ppm | |
phosphate (PO43-): ≤0.5 ppm | |
silicate (as SiO2): ≤10 ppm | |
sulfate (SO42-): ≤2 ppm | |
sulfide (S2-): ≤0.2 ppm | |
cation traces | Ag: ≤0.02 ppm |
Al: ≤0.5 ppm | |
Au: ≤0.1 ppm | |
Ba: ≤0.05 ppm | |
Bi: ≤0.1 ppm | |
Ca: ≤1 ppm | |
Cd: ≤0.05 ppm | |
Co: ≤0.05 ppm | |
Cr: ≤0.05 ppm | |
Cu: ≤0.1 ppm | |
Fe: ≤0.1 ppm | |
Ga: ≤0.02 ppm | |
In: ≤0.02 ppm | |
K: ≤0.5 ppm | |
Li: ≤0.02 ppm | |
Mg: ≤0.1 ppm | |
Mn: ≤0.05 ppm | |
Mo: ≤0.05 ppm | |
Na: ≤1 ppm | |
Ni: ≤0.05 ppm | |
Pb: ≤0.05 ppm | |
Pt: ≤0.1 ppm | |
Sn: ≤0.1 ppm | |
Sr: ≤0.2 ppm | |
Ti: ≤0.1 ppm | |
Tl: ≤0.05 ppm | |
Zn: ≤0.1 ppm | |
concentration | ~25% NH3 |
density | 0.892-0.910 g/mL at 20 °C |
0.9 g/mL at 25 °C (lit.) | |
description | related substances ≤ 2 ppm (as pyridine) |
evapn. residue | ≤0.0018% |
expl. lim. | 27 % |
form | liquid |
grade | puriss. p.a. |
impurities | readily oxidisable substances, in accordance |
≤0.0001% heavy metals (as Pb) | |
≤0.0005% KMnO4 red. matter (as O) | |
≤0.0018% non-volatile matter | |
InChI | 1S/H3N.H2O/h1H3;1H2 |
InChI key | VHUUQVKOLVNVRT-UHFFFAOYSA |
pH | 11.7 (20 °C) |
Quality Level | 200 ![]() |
SMILES string | [NH4+].[OH-] |
storage temp. | 2-8°C |
suitability | complies for appearance of solution |
Application: |
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Other Notes: | The article number 30501-4X2.5L will be discontinued. Please order the single bottle 30501-2.5L which is physically identical with the same exact specifications. The article number 30501-4X2.5L-M will be discontinued. Please order the single bottle 30501-2.5L-M which is physically identical with the same exact specifications. The article number 30501-6X1L will be discontinued. Please order the single bottle 30501-1L which is physically identical with the same exact specifications. The article number 30501-6X1L-M will be discontinued. Please order the single bottle 30501-1L-M which is physically identical with the same exact specifications. |
Packaging: | In PE-bottles; also available PE-bottles black (Material no. ending with PEBL; Glass-bottles (Material no. ending with *-GL), PE canister (Material no. ending with *-H) |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H302 - H314 - H335 - H400 |
Precautionary statements | P261 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
Hazard Codes | C,N |
Risk Statements | 22-34-50 |
Safety Statements | 26-36/37/39-45-61 |
RIDADR | UN 2672 8 / PGIII |
WGK Germany | WGK 2 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Density | 0.892-0.910 g/mL at 20 °C; 0.9 g/mL at 25 °C (lit.) |
Storage Temp. | 2-8°C |
UNSPSC | 12352106 |