Items

Standard

Result

Conclusion

Appearance

Off-white?crystal

Off-white?crystal

Conforms

Content?

99.0%?min

99.2%

Conforms

Melting?point

166-169°C

167°C

Conforms

Residues?after?ignition

0.08%?max

0.04%

Conforms

Loss?on?drying

0.5%?max

0.4%

Conforms

Product?name

3-Indoleacetic?acid(IAA)

Specs

99%TC

Classification

Plant?Growth?Regulator

Chemical?name

Indole-3-acetic?acid,?IAA,?3-Indolacetic?acid

CAS?No.

87-51-4

EINECS?No.

201-748-2

Molecular?formula

C10H9N02

Physical?and?Chemical
Properties

1.Appearance:?White-like?crystal
2.Molecular?weight:?175.19
3.Melting?point:?165-166°C
4.?Residues?after?ignition:?0.08%max
5.?Loss?on?drying:?0.5%max

Solubility

IAA?dissolves?in?anhydrous?ethanol,?ethyl?acetate?and?dichloroethane?instantly;?it?can
dissolve?in?Diethyl?ether?and?propyl-alcohol,?and?it?can’t?dissolve?in?water?and?benzene
etc.

Stability

IAA?is?easy?to?be?decomposed?in?the?light?and?air.

Application

Indolylacetic?acid?(IAA)?is?a?kind?of?indole?broad-spectrum?plant?growth?regulator?with
somatotropin?activity.
1.IAA?affects?cell?division?and?cell?elongation;
2.IAA?is?used?to?stimulate?rooting?of?herbaceous?and?woody?ornamentals?and?increase?the
size?of?fruit;
3.IAA?prevents?blossom?fall?and?fruit?drop?before?fructification?and?fruit?ripening,?flower
&?fruit?thinning?flower?introduction,?increase?output.

Toxicology

Acute?percutaneous?toxicity?for?mouse?LD50?1000mg/KG;
Acute?intraperitoneal?toxicity?LD50?150mg/Kg.
LC50?for?carp?(48hr),40ppm.
Non-toxic?for?bees?at?normal?dosage.

Package

1kg/bag,?25kg/drum