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Diallyldisulfide CAS#2179-57-9

High Allergen Specificity‌：Ideal for allergy testing.

Consistent Reactivity‌：Reliable in clinical assessments.

Natural Origin‌：Derived from garlic/onions.

Standardized Testing‌：Compatible with petrolatum formulations.

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Product Description

Product Description of ‌Diallyldisulfide CAS#2179-57-9

Diallyl disulfide (CAS 2179-57-9) is the major allergen present in garlic (*Allium sativum*) and onions. All 13 garlic patch-test positive patients exhibited positive reactions to diallyl sulfide prepared in 5% petrolatum.

Product Application of Diallyldisulfide CAS#2179-57-9

Among the three major low-molecular-weight allergens in garlic, diallyl disulfide (CAS#: 2179-57-9), allylpropyl disulfide and allicin are included.

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Product Information

Parameters

Boiling point	180-195 °C(lit.)
density	1.008 g/mL at 25 °C(lit.)
vapor density	>5 (vs air)
vapor pressure	1 mm Hg ( 20 °C)
refractive index	n20/D 1.541(lit.)
FEMA	2028 \| ALLYL DISULFIDE
Fp	144 °F
storage temp.	2-8°C
Water Solubility	Insoluble in water
solubility	Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form	oil
color	colorless to yellow
Odor	Diallyl disulfide is an essential odor component of garlic oil.
Odor Threshold	0.00022ppm
Odor Type	alliaceous
biological source	synthetic
JECFA Number	572
BRN	1699241
InChIKey	PFRGXCVKLLPLIP-UHFFFAOYSA-N
LogP	3.26
CAS DataBase Reference	2179-57-9(CAS DataBase Reference)
NIST Chemistry Reference	Diallyl disulphide(2179-57-9)
EPA Substance Registry System	Diallyl disulfide (2179-57-9)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	22-36/37/38-10
Safety Statements	26-36/37/39-37/39-16-36
RIDADR	UN 2810 6.1/PG 3
WGK Germany	3
RTECS	BB1000000
F	13
TSCA	Yes
HazardClass	6.1
PackingGroup	II
HS Code	29309090
Hazardous Substances Data	2179-57-9(Hazardous Substances Data)

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