Sodium nitroprusside dihydrate

硝普钠

Also known as: Sodium nitroprusside, Disodium pentacyanonitrosylferrate dihydrate, Sodium nitroferricyanide dihydrate, SNP, SNP dihydrate, Sodium pentacyanonitrosylferrate dihydrate, Nipride dihydrate, Sodium nitroferricyanide

Sodium nitroprusside dihydrate (CAS 13755-38-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H4FeN6Na2O3 and a molecular weight of 297.948 g/mol. It is also known as Sodium nitroprusside, Disodium pentacyanonitrosylferrate dihydrate and Sodium nitroferricyanide dihydrate. Key property: a density of 1.72. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13755-38-9
Jingsj CID: J-1101974-3
Molecular Formula: C₅H₄FeN₆Na₂O₃
Chinese Name: 硝普钠
Molecular Weight: 297.948 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.72
Exact Mass	297.948975
PSA	166.84000
LogP	0.16990
Additional Property	400g/l (slow decomposition)

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H301 — Toxic if swallowed

Activity & Biological Data

Additional Information	[1]. Wink, D.A., et al., The effect of various nitric oxide-donor agents on hydrogen peroxide-mediated toxicity: a direct correlation between nitric oxide formation and protection. Arch Biochem Biophys, 1996. 331(2): p. 241-8. [2]. Garg, U.C. and A. Hassid, Nitric oxide-generating vasodilators and 8-bromo-cyclic guanosine monophosphate inhibit mitogenesis and proliferation of cultured rat vascular smooth muscle cells. J Clin Invest, 1989. 83(5): p. 1774-7. [3]. Namazi, H., Sodium nitroprusside as a nitric oxide donor in a rat intestinal ischemia reperfusion model: a novel molecular mechanism. Clinics (Sao Paulo), 2008. 63(3): p. 405.

Additional Information

[1]. Wink, D.A., et al., The effect of various nitric oxide-donor agents on hydrogen peroxide-mediated toxicity: a direct correlation between nitric oxide formation and protection. Arch Biochem Biophys, 1996. 331(2): p. 241-8. [2]. Garg, U.C. and A. Hassid, Nitric oxide-generating vasodilators and 8-bromo-cyclic guanosine monophosphate inhibit mitogenesis and proliferation of cultured rat vascular smooth muscle cells. J Clin Invest, 1989. 83(5): p. 1774-7. [3]. Namazi, H., Sodium nitroprusside as a nitric oxide donor in a rat intestinal ischemia reperfusion model: a novel molecular mechanism. Clinics (Sao Paulo), 2008. 63(3): p. 405.

Customs & Trade Information

HS Code	2837199090

Frequently Asked Questions

What is the CAS number of Sodium nitroprusside dihydrate?

The CAS number of Sodium nitroprusside dihydrate is 13755-38-9.

What are the molecular formula and molecular weight of Sodium nitroprusside dihydrate?

Sodium nitroprusside dihydrate has molecular formula C5H4FeN6Na2O3 and molecular weight 297.948 g/mol.

Is Sodium nitroprusside dihydrate hazardous?

Sodium nitroprusside dihydrate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Sodium nitroprusside dihydrate (CAS 13755-38-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1101974-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.