1. ACTIVE INGREDIENT

a) Chemical name

:

( 3S,3aS,4S,4aS,7S,9aR,9bR,12S )-7,12-dihydroxy-3-methyl-6-methylene

-2-oxoperhydro-4a,7-methano-9b,3-propeno[1,2-b]furan-4-carboxylic acid

b)  Common name of a. i.

:

GIBBERELLIC ACID ( BSI, draft E-ISO )

c)  Empirical formula

:

C19H22O6

d) Structural formula

:

e)  Molecular weight

:

346.4

f ) CAS number

:

[ 77-06-5 ]

2. PHYSICAL AND CHEMICAL PROPERTIES OF TECHNICAL

a) Colour

:

White 

b) Odour

:

Odorless  

c) Physical state

:

White powder

d)  Solubility in water

:

In water 5 g/lt ( room temperature ).

          In organic solvents

Soluble in methanol,  ethanol, acetone and aqueous alkalis; slightly soluble in               diethyl   ether and ethyl acetate. Insoluble in chloroform. Potassium,

sodium and ammonium salts; Readly soluble in water(potassium  salt 50 g/lt )

e) Intensity or specific gravity

:

1.13  g / cm3

f) Vapour pressure

:

: <1.0x10-6 pa at 25 ºC )

g) Stability (oxidation and

thermal) solutions,

:

Dry gibberellic acid is stable at room temperature, but slowly undergoes

hydrolysis in aqueous or aqueous-alcoholic DT50 ( 20 ºC ) c. 14 d ( pH 3-4 ),

14 d (pH 7 ). In alkalis, undergoes a  rearrangement to less biologically-active

compounds. Decomposed by heat.

h)        pH range at which it is stable

:

4.0-9.0  

i ) Data on storage stability

:

In its original containers, the product  keeps physical , chemical  and biological

properties  at least 2 years if stored in a dry and   frostless  place.    

 3. PURITY  (%)

:

90 %

COA OF GA3 TECH

ITEM

SPECIFICATION

      RESULT

Appearance

White Powder

White Powder

A.I.

90 %

90.1%

Water

≤ 0.5 %

0.07%

Material insoluble in

acetone

≤ 0.7 %

0.1%

Mineral acidity

≤ 0.8 %

0.15%

Unknown matter

≤ 1.0 %

0.2%