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299227

Sigma-Aldrich

Ammonia-15N

98 atom % 15N

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Synonym(s):
15N Labeled ammonia
Linear Formula:
15NH3
CAS Number:
13767-16-3
Molecular Weight:
18.02
MDL number:
MFCD00064507
UNSPSC Code:
12352200
PubChem Substance ID:
24858025
NACRES:
NA.12

vapor density

0.6 (vs air)

Quality Level

200

isotopic purity

98 atom % 15N

Assay

99% (CP)

bp

−33 °C (lit.)

mp

−78 °C (lit.)

density

0.814 g/mL at 25 °C (lit.)

mass shift

M+1

SMILES string

[15NH3]

InChI

1S/H3N/h1H3/i1+1

InChI key

QGZKDVFQNNGYKY-OUBTZVSYSA-N

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Application

Precursor to 15N labeled products of agrochemical interest.

Packaging

All gas volumes are quoted at Standard Temperature and Pressure (STP) and not at Normal Temperature and Pressure (NTP). One STP Liter is 7.7% more gas than one NTP Liter.
Standard products are packaged in a 450 mL carbon steel lecture bottle with stainless steel CGA 110/180 valve. Nominal gas pressures at 21ºC are 20 psig for 1 L and 114 psig (liquified) for 10 L. These pressures are slightly above atmospheric pressure. Care must be taken when extracting this product from the cylinder.
This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

Recommended products

Stainless steel control valve Z146951 or Z187224 recommended
PTFE sealing washers GCA inlet size 180 Z146994
PTFE sealing washers CGA inlet size 110 Z146986

Signal Word

Danger

Hazard Statements

H221,H280,H314,H331,H400

Hazard Classifications

Acute Tox. 3 Inhalation - Aquatic Acute 1 - Flam. Gas 2 - Press. Gas Compr. Gas - Skin Corr. 1B

WGK

WGK 2

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Regulatory Information

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D J Barta et al.
Communications in soil science and plant analysis, 22(7-8), 729-753 (1991-01-01)
An electron microprobe with wavelength-dispersive x-ray spectrometry (WDS) was found to be useful for the determination of Ca concentrations in leaf tissue deficient in Ca. WDS effectively detected Ca concentrations as low as 0.2 mg/g dry wt in the presence

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