Anhydrous Sodium Sulfite

Anhydrous Sodium Sulfite

CAS No.: 7757-83-7
Molecular Formula: Na2O3S
Molecular Weight: 126.04
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product description

Cinnamic aldehyde is used as a flavoring agent, ingredient of fragrance in soft drinks, ice creams, dentifrices, pastries, chewing-gum, etc. It can induce both contact urticaria and delayed-type reactions. It can be implicated in contact dermatitis in those who work in the perfume industry or food handlers. Cinnamic aldehyde is contained in the "fragrance mix".


Chemical Properties
PropertyValue

Melting point

−9-−4 °C(lit.)

Boiling point

248 °C (lit.)

Density

1.05 g/mL at 25 °C (lit.)

Vapor density

4.6 (vs air)

Vapor pressure

<0.1 hPa (20 °C)

FEMA

2286 | CINNAMALDEHYDE

Refractive index

n20/D1.622(lit.)

Fp

160 °F

Storage temp.

Store below +30°C.

Solubility

1g/l soluble

Form

Liquid

Pka

0[at 20 ℃]

Color

Clear yellow

Specific Gravity

1.05

Odor

Strong odor of cinnamon

Biological source

Cassia oil

Odor Type

Spicy

Water Solubility

Slightly soluble

Merck

13,2319

JECFA Number

656

Dielectric constant

16.9(24℃)

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.

InChIKey

KJPRLNWUNMBNBZ-QPJJXVBHSA-N

LogP

1.83-2.1 at 25-27℃

CAS DataBase Reference

104-55-2(CAS DataBase Reference)

NIST Chemistry Reference

Cinnamylaldehyde(104-55-2)

EPA Substance Registry System

Cinnamaldehyde (104-55-2)


Safety Information

Property

Value
Hazard symbolXn
Hazard class codes31-36/37/38-22-40-36/38
Safety descriptions24/25-36-26-22
WGK Germany1
RTECS numberWE2150000
F3-10
TSCATSCA listed
HS code28321000
Storage class13 - Non-combustible solids
Hazardous substances data7757-83-7 (Hazardous Substances Data)
ToxicityLD50 i.v. in mice: 175 mg/kg (Hoppe, Goble, J. Pharmacol. Exp. Ther. 101, 101 (1951))


Product Usage

Anhydrous Sodium Sulfite is an industrial chemical with strong reducing properties, playing a pivotal role as a "deoxygenator" and "preservative" across various production sectors. In water treatment, it is extensively used for deoxygenating boiler feedwater to prevent metallic pipe corrosion caused by oxidation. In the paper and textile industries, it serves as a bleaching auxiliary to remove residual oxygen and chlorine from fabrics and pulp, thereby protecting fiber strength. In the photography industry, it is an indispensable preservative in developing solutions, effectively preventing the oxidation of developing agents by air. Furthermore, it is utilized as a reducing agent in fine chemicals and serves as an antioxidant and preservative in the food industry for dried fruits and preserves to maintain their natural color.

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FAQ

Q1:Does it support customized products?

A1:Yes, it does. Formulations can be adjusted and customized production can be carried out according to customer's industry needs and performance parameters.


Q2:Can samples be provided?

A2:We support free sample delivery and testing services to meet customers' early testing needs.


Q3:Is the product quality stable? 

A3:With full-process quality inspection and control, there are minimal batch differences, and the purity and stability strictly meet the standards.


Q4:What is the shipping cycle?

A4:For regular inventory, we offer quick delivery. For customized orders, we arrange production according to demand and ensure timely delivery.

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