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Soybean Lecithin CAS#8030-76-0

Excellent Emulsification：Highly water-dispersible, ideal for stabilizing oil-in-water emulsions across various applications.

High HLB Value：Contains lecithin, ethoxylated monodiglycerides, and propylene glycol for efficient and consistent emulsification.

Versatile Applications：Suitable for use in food, pharmaceuticals, cosmetics, and industrial formulations.

Stable and Reliable：Maintains performance when stored properly at 4 °C, ensuring long-term stability and quality.

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Product Description

Product Description of Soybean Lecithin CAS#8030-76-0

Isoniazid is a colorless crystal or white crystalline powder with a slightly bitter taste. It is chemically stable and highly water-soluble, suitable for various pharmaceutical and chemical applications.

Its hydrazine group has strong reducing properties, slowly converting dissolved oxygen to hydrogen peroxide in alkaline conditions. This reaction, catalyzed by gold nanoparticles, forms a luminol-based luminescent system with analytical potential.

The amino group on the hydrazine moiety also enables versatile reactivity: it forms Schiff bases with active carbonyl compounds, and reacts with carboxylic acid derivatives or sulfonyl chlorides to produce acylated or sulfonyl isoniazid derivatives.

Product Application of Soybean Lecithin CAS#8030-76-0

Isoniazid is a first-line anti-tuberculosis drug with high efficacy, low toxicity and cost-effectiveness. It also serves as an electroplating additive and pharmaceutical intermediate.

In chemical synthesis, it condenses with formaldehyde sodium bisulfite to form isoniazid methanesulfonic acid (CAS#13447-95-5), and reacts with formaldehyde to produce di-isoniazid. This straightforward process is typically carried out by adding formaldehyde to aqueous isoniazid solution at ~65°C for 30 minutes.

Condensation with vanillic acid in aqueous solution at ~95°C yields isoniazid hydrazone. All these derivatives have anti-tuberculosis activity: isoniazid itself is the most potent, while isoniazid hydrazone shows lower activity against Mycobacterium tuberculosis but reduced neurotoxicity and hepatotoxicity.

Isoniazid remains one of the most critical anti-tuberculosis agents for research and clinical use, with high selectivity and strong activity against tubercle bacilli. In vitro, concentrations as low as 0.025–0.05 mg/L inhibit bacterial growth, and higher concentrations are bactericidal against actively multiplying bacteria.

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Product Information

Parameters

Melting point	171-173 °C (lit.)
Boiling point	251.97°C (rough estimate)
density	1.2620 (rough estimate)
bulk density	800kg/m3
refractive index	1.6910 (estimate)
Fp	>250°C
storage temp.	2-8°C
solubility	125g/l
form	Crystals or Crystalline Powder
pka	pKa 2.00/3.60/10.8(H2O) (Uncertain)
color	White or colorless
PH	6-8 (50g/l, H2O, 20℃)
Odor	Odorless
PH Range	5.5 - 6.5 at 10 g/l at 25 °C
Water Solubility	14 g/100 mL (25 ºC)
Sensitive	Air Sensitive
Merck	145186
BRN	119374
BCS Class	1,3
Stability:	Stability Stable, but may be air or light sensitive. Combustible. Incompatible with strong oxidizing agents, chloral, aldehydes, iodine, ferric salts, hypochlorites.
InChIKey	QRXWMOHMRWLFEY-UHFFFAOYSA-N
CAS DataBase Reference	54-85-3(CAS DataBase Reference)
NIST Chemistry Reference	Isoniazid(54-85-3)
IARC	3 (Vol. 4, Sup 7) 1987
EPA Substance Registry System	Isoniazid (54-85-3)

Safety Information

Hazard Codes	Xn
Risk Statements	22-38-40-36/37/38
Safety Statements	37-36/37/39-26
RIDADR	2811
WGK Germany	3
RTECS	NS1751850
TSCA	Yes
PackingGroup	III
HS Code	29333999
Hazardous Substances Data	54-85-3(Hazardous Substances Data)
Toxicity	LD50 in mice (mg/kg): 151 i.p., 149 i.v. (Jenney, Pfeiffer)

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